Mechanical Engineering
GATE ME topic:linear-algebra PYQs
Build your understanding with focused practice from past exam papers.
How to practice topic:linear-algebra
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–10 of 23. Imported answers require independent review unless marked reviewed.
Question 11
Open questionMEMCQ1 markNeeds review
Let A and B be real symmetric matrices of same size. Which one of the following options is correct?
Your answerChoose one option.
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Open questionMEMCQ1 markNeeds review
Consider the system of linear equations
The values of
and
such that there exists a non-trivial null space and the system admits infinite solutions areYour 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 36
Open questionMEMCQ2 marksNeeds review
The matrix
(where
) has a negative eigenvalue if
is greater thanYour 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 32
Open questionMENAT1 markNeeds review
A linear transformation maps a point
in the plane to the point
according to the rule
Then, the disc
gets transformed to a region with an area equal to ________ . (Rounded off to two decimals)Use π = 3.14.
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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 15
Open questionMEMCQ1 markNeeds review
If
is a symmetric matrix, the value of
is ____________.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 46
Open questionMEMSQ2 marksNeeds review
The system of linear equations in real
given by
involves a real parameter
and has infinitely many non-trivial solutions for special value(s) of
. Which one or more among the following options is/are non-trivial solution(s) of
for such special value(s) of
?Your answerSelect all correct options. You can choose more than one.
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Open questionMEMSQ2 marksNeeds review
A is a
real matrix of rank 2. For the set of homogeneous equations
, where
is a zero vector and
is a vector of unknown variables, which of the following is/are true?Your answerSelect all correct options. You can choose more than one.
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Open questionMENAT2 marksNeeds review
If the sum and product of eigenvalues of a
real matrix
are 4 and
respectively, then
is _____ (in integer).Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 1
Open questionMEMCQ1 markNeeds review
Consider an
matrix
and a non-zero
vector
. Their product
, where
and
. Based on the given information, the eigen value of
is: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 26
Open questionMEMCQ2 marksNeeds review
Consider a vector
in 2-dimensional space. Let its direction (counter-clockwise angle with the positive
-axis) be
. Let
be an eigenvector of a
matrix
with corresponding eigenvalue
,
. If we denote the magnitude of a vector
by
, identify the VALID statement regarding
, where
.Your answerChoose one option.
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