GATE CSE 2015 Set 3 | GATE CSE Year Wise Previous Years Questions

GATE CSE 2015 Set 3

MCQ (Single Correct Answer)

-0.3

In the given matrix $$\left[ {\matrix{ 1 & { - 1} & 2 \cr 0 & 1 & 0 \cr 1 & 2 & 1 \cr } } \right],$$ one of the eigenvalues is $$1.$$ The eigen vectors corresponding to the eigen value $$1$$ are

$$\left\{ {\alpha \left( {4,2,1} \right)\left| {\alpha \ne 0,\alpha \in \left. R \right\}} \right.} \right.$$

$$\left\{ {\alpha \left( { - 4,2,1} \right)\left| {\alpha \ne 0,\alpha \in \left. R \right\}} \right.} \right.$$

$$\left\{ {\alpha \left( {\sqrt 2 ,0,1} \right)\left| {\alpha \ne 0,\alpha \in \left. R \right\}} \right.} \right.$$

$$\left\{ {\alpha \left( { - \sqrt 2 ,0,1} \right)\left| {\alpha \ne 0,\alpha \in \left. R \right\}} \right.} \right.$$

GATE CSE 2015 Set 3

MCQ (Single Correct Answer)

-0.3

A function $$f(x)$$ is linear and has a value of $$29$$ at $$x=-2$$ and $$39$$ at $$x=3.$$ Find its value at $$x=5.$$

$$59$$

$$45$$

$$43$$

$$35$$

GATE CSE 2015 Set 3

MCQ (Single Correct Answer)

-0.6

If for non-zero $$x,$$ $$af\left( x \right) + bf\left( {{1 \over x}} \right) = {1 \over x} - 25$$
where $$a \ne b$$ then $$\int\limits_1^2 {f\left( x \right)dx} \,$$ is

$${1 \over {{a^2} - {b^2}}}\left[ {a\left( {\ln \,2 - 25} \right) + {{47b} \over 2}} \right]$$

$${1 \over {{a^2} - {b^2}}}\left[ {a\left( {2\ln \,2 - 25} \right) - {{47b} \over 2}} \right]$$

$${1 \over {{a^2} - {b^2}}}\left[ {a\left( {2\ln \,2 - 25} \right) + {{47b} \over 2}} \right]$$

$${1 \over {{a^2} - {b^2}}}\left[ {a\left( {\ln \,2 - 25} \right) - {{47b} \over 2}} \right]$$

GATE CSE 2015 Set 3

MCQ (Single Correct Answer)

-0.3

The value of $$\mathop {\lim }\limits_{x \to \alpha } {\left( {1 + {x^2}} \right)^{{e^{ - x}}}}\,\,$$ is

$$0$$

$${{1 \over 2}}$$

$$1$$

$$\infty $$

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