1
GATE CE 2000
MCQ (Single Correct Answer)
+2
-0.6
Limit of the function
$$f\left( x \right) = {{1 - {a^4}} \over {{x^4}}}\,\,as\,\,x \to \infty $$ is given by
A
$$1$$
B
$${e^{ - {a^4}}}$$
C
$$\infty $$
D
$$0$$
2
GATE CE 2000
MCQ (Single Correct Answer)
+2
-0.6
If $$f\left( {x,y,z} \right) = $$
$${\left( {{x^2} + {y^2} + {z^2}} \right)^{{\raise0.5ex\hbox{$\scriptstyle { - 1}$} \kern-0.1em/\kern-0.15em \lower0.25ex\hbox{$\scriptstyle 2$}}}},$$ $${{{\partial ^2}f} \over {\partial {x^2}}} + {{{\partial ^2}f} \over {\partial {y^2}}} + {{{\partial ^2}f} \over {\partial {z^2}}}$$ is equal to _______.
A
$$0$$
B
$$1$$
C
$$2$$
D
$$ - 3{\left( {{x^2} + {y^2} + {z^2}} \right)^{{\raise0.5ex\hbox{$\scriptstyle { - 5}$} \kern-0.1em/\kern-0.15em \lower0.25ex\hbox{$\scriptstyle 2$}}}}$$
GATE CE Subjects
Fluid Mechanics and Hydraulic Machines
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