Question 1
Consider the function defined as follows.
Choose the correct option.
.

is not defined for any non-zero .
.
exists for any non-zero .

The IIT Madras BS Mathematics for Data Science II (Maths 2) End Term paper sat on 10 May 2026, in the January 2026 term: 46 questions for 208 marks in 180 minutes. Every question is below with its answer. Take it as a timed mock test to be marked, or read it through first.
Consider the function defined as follows.
Choose the correct option.
.

is not defined for any non-zero .
.
exists for any non-zero .
Correct answer
exists for any non-zero .
Let be a linear transformation given by , and . Choose the correct option from the following:
.
.
.
.
Correct answer
.
Let be a square matrix of order . If , which of the following sequences of row operations can be performed on so that the resulting matrix has determinant ?
Interchange two rows of and then multiply one row by

Multiply one row of by .

Interchange two rows of and then multiply one row by .

Multiply all rows of by .

Correct answer
Interchange two rows of and then multiply one row by .

Consider the function defined as follows.
Choose the correct option.
.
.

.

.
Correct answer
.
Let be a linear transformation. Let and Suppose that the matrix representation of with respect to ordered bases for the domain and for the co-domain is given by
. Then which of the following defines the transformation ?
—
—
—
—
Correct answer
—
Let be a linear transformation defined by . Let and Choose the correct option for the matrix representation of with respect to ordered bases for the domain and for the co-domain.




Correct answer

Define a function
is continuous at .
.
.
is differentiable at .
Correct answers
is continuous at .
.
is differentiable at .
Define a function
Choose the correct options.
is continuous at .
.
.
is differentiable at .
Correct answers
is continuous at .
.
is differentiable at .
Choose all the subspaces isomorphic to .
.

.
.

—
Correct answers
.

.
—
Choose all the subspaces isomorphic to .
.

.
.

is the column space of the matrix .

.
Correct answers
.

is the column space of the matrix .

.
If is an orthogonal matrix of order 5, then find the nullity of the matrix .
A written answer, not marked automatically.
Let be a vector such that . If is the vector obtained from after the anti- clockwise rotation in the -plane by an angle about the -axis, then find the length of the vector .
A written answer, not marked automatically.
Let and be two vectors in . If and are orthogonal to each other, find the value of .
A written answer, not marked automatically.
Let and be two vectors in such that and are perpendicular to each other. Find the value of .
A written answer, not marked automatically.
Consider the function defined as If the unit direction of the steepest ascent of at is , then find the value of ?
A written answer, not marked automatically.
Consider a function defined as . If the unit direction of the steepest descent of at is , then find the value of ?
A written answer, not marked automatically.
Let be a linear transformation given by , and . If , find .
A written answer, not marked automatically.
is a square matrix of order 4. When the following sequence of row operations are performed on , the result is the identity matrix: Swap the third and fourth rows. Add two times the second row to the third row. Divide the third row by 6. Multiply the first row by 3. Compute the determinant of .
A written answer, not marked automatically.
Let be the real valued function defined by for all . Let denote the tangent plane to the graph of at the point . Based on the above data, answer the given subquestions.
Which of the following points lie in ?
.
.
.
.
Correct answers
.
.
Let be the real valued function defined by for all . Let denote the tangent plane to the graph of at the point . Based on the above data, answer the given subquestions.
Which of the following points are in ?
.
.
.
.
Correct answers
.
.
Let be the real valued function defined by for all . Let denote the tangent plane to the graph of at the point . Based on the above data, answer the given subquestions.
What is the dimension of the subspace corresponding to the affine subspace ?
A written answer, not marked automatically.
Let be the real valued function defined by for all . Let denote the tangent plane to the graph of at the point . Based on the above data, answer the given subquestions.
What is the dimension of the subspace corresponding to the affine subspace ?
A written answer, not marked automatically.
Consider the function defined as
Based on the above data, answer the given subquestions.
Consider the following statements about the function . S1: The range of is the subset of . S2: The gradient of is defined at all points in . S3: The directional derivative of in the direction of at is . What is the number of correct statements? Write 0 if none of the statements is correct.
A written answer, not marked automatically.
Allowed : No Group Comprehension Questions : No Question Pattern Type : NonMatrix Consider the following domain Suppose is a function defined by Based on the above data, answer the given subquestions.
Which of the following options depict the correct geometric shape of the boundary of ?
A square.
A rectangle.
A triangle.
A circle.
Correct answer
A rectangle.
Consider the function defined as
Based on the above data, answer the given subquestions.
Suppose function describes the amount of rain at a point on a map. If along the unit direction the amount of rain remains constant starting at point , then find .
A written answer, not marked automatically.
Allowed : No Group Comprehension Questions : No Question Pattern Type : NonMatrix Consider the following domain Suppose is a function defined by Based on the above data, answer the given subquestions.
Suppose denotes the absolute maximum value. Find .
A written answer, not marked automatically.
Consider the following domain Suppose is a function defined by Based on the above data, answer the given subquestions.
Which of the following options depicts the correct geometric shape of the boundary of ?
A triangle.
A rectangle.
A pentagon.
A hexagon.
Correct answer
A triangle.
Allowed : No Group Comprehension Questions : No Question Pattern Type : NonMatrix Consider the following domain Suppose is a function defined by Based on the above data, answer the given subquestions.
Suppose denote the absolute minimum value. Find .
A written answer, not marked automatically.
Consider the following domain Suppose is a function defined by Based on the above data, answer the given subquestions.
What is the number of critical points inside the domain of ? Write zero if there is no critical point.
A written answer, not marked automatically.
Consider the function defined as Based on the above data, answer the given subquestions.
Consider the following statements about the function . S1: The range of contains . S2: The domain of the gradient is . S3: The directional derivative of in the direction of at is . What is the number of correct statements? Write 0 if none of the statements is correct.
A written answer, not marked automatically.
Consider the following domain Suppose is a function defined by Based on the above data, answer the given subquestions.
Find the absolute maximum of over the domain .
A written answer, not marked automatically.
Consider the function defined as Based on the above data, answer the given subquestions.
Suppose the function describes the pressure in a room at point . If the rate of change of pressure at in the direction of the unit vector is . Find up to two decimal points.
A written answer, not marked automatically.
Let
and
. Based on the above data, answer the given subquestions.
Find the rank of .
A written answer, not marked automatically.
Let
and
. Based on the above data, answer the given subquestions.
Find the determinant of .
A written answer, not marked automatically.
Let
and
. Based on the above data, answer the given subquestions.
Find the determinant of .
A written answer, not marked automatically.
Let
and
. Based on the above data, answer the given subquestions.
Find the rank of .
A written answer, not marked automatically.
Let
and
. Based on the above data, answer the given subquestions.
Choose all the correct options from the following:
and are neither equivalent nor similar.
has a unique solution but does not have a unique solution.
The columns of are linearly dependent and the columns of are linearly independent.
Let , and be the vectors representing the columns of . The vectors , and lie on the same plane.
Correct answers
and are neither equivalent nor similar.
The columns of are linearly dependent and the columns of are linearly independent.
Let
and
. Based on the above data, answer the given subquestions.
Choose all the correct options from the following:
and are equivalent but not similar.
has a unique solution but does not have a unique solution.
The columns of are linearly dependent and the columns of are linearly independent.
Let , and be the vectors representing the columns of . The vectors , and lie on the same plane.
Correct answers
has a unique solution but does not have a unique solution.
Let , and be the vectors representing the columns of . The vectors , and lie on the same plane.
Let be the real valued function defined by for all . Let denote the tangent plane to the graph of at the point . Based on the above data, answer the given subquestions.
A written answer, not marked automatically.
Consider the function defined as
Based on the above data, answer the given subquestions.
A written answer, not marked automatically.
Consider the following domain Suppose is a function defined by Based on the above data, answer the given subquestions.
A written answer, not marked automatically.
Let
and
. Based on the above data, answer the given subquestions.
A written answer, not marked automatically.
Let be the real valued function defined by for all . Let denote the tangent plane to the graph of at the point . Based on the above data, answer the given subquestions.
A written answer, not marked automatically.
Allowed : No Group Comprehension Questions : No Question Pattern Type : NonMatrix Consider the following domain Suppose is a function defined by Based on the above data, answer the given subquestions.
A written answer, not marked automatically.
Consider the function defined as Based on the above data, answer the given subquestions.
A written answer, not marked automatically.
Let
and
. Based on the above data, answer the given subquestions.
A written answer, not marked automatically.