Electronics and Communication Engineering
GATE ECE area:engineering-mathematics PYQs
Build your understanding with focused practice from past exam papers.
Questions 21–30 of 100. Imported answers require independent review unless marked reviewed.
Question 43
Open questionECMCQ2 marksNeeds review
Let
be a complex variable. If
and
is the circle in the complex plane with
then
is ______.Your answerChoose one option.
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Open questionECMSQ2 marksNeeds review
Let
,
, and
be functions of
. Suppose that for every given pair of points
and
in space, the line integral
evaluates to the same value along any path
that starts at
and ends at
. Then which of the following is/are true?Your answerSelect all correct options. You can choose more than one.
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Open questionECMSQ2 marksNeeds review
Consider the matrix
, where
is a positive real number. Which of the following vectors is/are eigenvector(s) of this matrix?Your answerSelect all correct options. You can choose more than one.
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Open questionECMCQ1 markNeeds review
Let
and
be two vectors. The value of the coefficient
in the expression
, which minimizes the length of the error vector
, isYour answerChoose one option.
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Open questionECMCQ1 markNeeds review
The rate of increase, of a scalar field
, in the direction
at a point
isYour answerChoose one option.
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Open questionECMCQ1 markNeeds review
Let
. Which of the following cannot be a value of
?Your answerChoose one option.
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Open questionECMCQ1 markNeeds review
The value of the contour integral
, where the contour
is
, taken in the counter clockwise direction, isYour answerChoose one option.
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Open questionECMCQ1 markNeeds review
Let the sets of eigenvalues and eigenvectors of a matrix
be
and
, respectively. For any invertible matrix
, the sets of eigenvalues and eigenvectors of the matrix
, where
, respectively, areYour answerChoose one option.
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Open questionECMCQ2 marksNeeds review
A random variable
, distributed normally as
, undergoes the transformation
, given in the figure. The form of the probability density function of
is(In the options given below,
,
,
are non-zero constants and
is piece-wise continuous function)
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 37
Open questionECMCQ2 marksNeeds review
The value of the line integral
along the straight line joining the points
and
isYour answerChoose one option.
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