Explore topic-wise MCQs in Engineering Mathematics.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Mathematics knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the maximum value of the function f(x, y) = 3xy + 4x2y2 in the region?
x=0; y=0; 2x + y = 2

A. 1
B. 0
C. 100
D. 10
Answer» E.
2.

Find the minimum value of the function f(x, y) = x2 + y2 +199 over the real domain.

A. 12
B. 13
C. 0
D. 199
Answer» E.
3.

The maximum value of the function is?
f(x, y) = sin(x).cos(2y).cos(x + 2y) + sin(2y).cos(x + 2y).cos(x) in the region x=0; y=0; x+2y = 3

A. 90
B. cos(1)
C. sin(1).cos(1)
D. sin(3).cos(3)
Answer» E.
4.

If the Hessian matrix of a function is zero then the critical point is?

A. It cannot be concluded
B. Always at Origin
C. Depends on Function
D. (100,100)
Answer» B. Always at Origin
5.

What is the maximum value of the function f(x, y) = x2(1 + 3y) + x3 + y3 + y2(1 + 3x) + 2xy over the region x=0; y=0; x + y=1.

A. 0
B. -1
C. Has no maximum value
D. 2
Answer» E.
6.

Consider the circular region x2 + y2 = 81, What is the maximum value of the function?
f(x, y) = x6 + y2(3x4 + 1) + x2.(3y4 + 1) + y6

A. 90
B. 80
C. 81 + 81<sup>3</sup>
D. 100
Answer» D. 100
7.

For function f(x, y) = sin-1(x2 + y2) critical points are found. Now a new graph g(x, y) is formed by coupling graphs f(x, y) and f(x, y) = sin-1(x2 + y2). What are the critical points of g(x, y).

A. (0,0)
B. There are infinite such points
C. Only positive (x, y) are critical points
D. (90,-90)
Answer» C. Only positive (x, y) are critical points
8.

Find the critical points of the function.
f(x, y)= ( frac{sin^{-1}(y^2).(y^2+3y).(sin(y^6+7y))}{(y^9+y^{10})}+10x )

A. (0,0)
B. (0,-90)
C. (90, 0)
D. None exist
Answer» E.