1
GATE IN 2008
MCQ (Single Correct Answer)
+1
-0.3
$$\,\mathop {Lim}\limits_{x \to 0} {{\sin x} \over x}\,\,\,$$ is
A
indeterminate
B
$$0$$
C
$$1$$
D
$$ \propto $$
2
GATE IN 2007
MCQ (Single Correct Answer)
+1
-0.3
For real $$x,$$ the maximum value of $${{{e^{Sin\,x}}} \over {{e^{Cos\,x}}}}\,\,$$ is
A
$$1$$
B
$$e$$
C
$${e^{\sqrt 2 }}$$
D
$$ \propto $$
3
GATE IN 2007
MCQ (Single Correct Answer)
+1
-0.3
Consider the function $$\,\,f\left( x \right) = {\left| x \right|^3},\,\,\,$$ where $$x$$ is real. Then the function $$f(x)$$ at $$x=0$$ is
A
continuous but not differentiable
B
once differentiable but not twice.
C
twice differentiable but not thrice.
D
thrice differentiable
4
GATE IN 2007
MCQ (Single Correct Answer)
+1
-0.3
The value of $$\,\int\limits_0^\infty {\int\limits_0^\infty {{e^{ - {x^2}}}{e^{ - {y^2}}}} dx\,dy\,\,\,\,} $$ is
A
$${{\sqrt \pi } \over 2}$$
B
$${\sqrt \pi }$$
C
$$\pi $$
D
$${\pi \over 4}$$
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