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GATE 2020: Engineering Mathematics Rapid Mini Mock (App update required to attempt this test)
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Question 1
Consider the matrix. The sum of its eigen values is ___________.
Question 2
The rank of the matrix is?
Question 3
Which of the following is True for this matrix A?
Question 4
Find the determinant of ?
Question 5
If A is 5x5 order skew symmetric matrix then maximum possible rank is
Question 6
The variance of two independent random variables X and y is 25 and 16 respectively. Find the correlation coefficient.
Question 7
Consider the homogeneous ordinary differential equation with y(x) as a general solution. Given that y(1) = 1 and y(2) = 14 the value of y(1.5), rounded off to two decimal places, is _______________.
Question 8
Consider the system of linear equations, for what value of the constant k, the system will have only trivial solutions
X – ky + z = 0
X – ky + z = 0
Kx + 3y – kz = 0
3x + y – z = 0
Question 9
Evaluate the complex integration , where C is the right half of a circle having radius 2 traversed in anticlockwise direction .(Z = complex variable )
Question 10
The directional directive of 4x2y + z3 at (1, 2, 1) in the direction of is
Question 11
The maximum slope of the curve
y = –x3 + 3x2 + 2x – 27 is
Question 12
Let where z is a complex number not equal to zero. Then z is solution of
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