Recent questions tagged objective

The curve $9y^{2}=x^{2}(4-x^{2})$ is symmetrical about

asked May 21, 2013 by poojasapani_1

1 answer

If $u=f\large\left(\frac {y}{x} \right) $ then $x\large\frac{\partial u}{\partial x}$+$y\large\frac{\partial u}{\partial y}$ is equal to

asked May 21, 2013 by poojasapani_1

1 answer

If $u=y\sin x,$ then $\large\frac{\partial^{2} u}{\partial x\partial y}$ is equal to

asked May 21, 2013 by poojasapani_1

1 answer

In which region the curve $y^{2}(a+x)=x^{2}(3a-x)$ does not lie?

asked May 21, 2013 by poojasapani_1

1 answer

An asymptote to the curve $y^{2}(a+2x)=x^{2}(3a-x)$ is

asked May 21, 2013 by poojasapani_1

1 answer

The curve $a^{2}y^{2}=x^{2}(a^{2}-x^{2})$ has

asked May 21, 2013 by poojasapani_1

1 answer

The percentage error in the $11^{th}$ root of the number is approximately ______ times the percentage error in $28$.

asked May 21, 2013 by poojasapani_1

1 answer

If $u=\log\begin{pmatrix}\large\frac{x^{2}+y^{2}}{xy}\end{pmatrix}$ then $x\large\frac{\partial u}{\partial x}+$$y\large\frac{\partial u}{\partial y}$ is

asked May 21, 2013 by poojasapani_1

1 answer

The curve $y^{2}(x-2)=x^{2}(1+x)$ has

asked May 21, 2013 by poojasapani_1

1 answer

Identify the true statements in the following:

asked May 20, 2013 by poojasapani_1

1 answer

If $x=r\cos\theta,y=r\sin\theta,$ then $\large\frac{\partial r}{\partial x}$ is equal to

asked May 20, 2013 by poojasapani_1

1 answer

If $u=\large\frac{1}{\sqrt{x^{2}+y^{2}}},$ then $x\large\frac{\partial u}{\partial x}$$+y\large\frac{\partial u}{\partial y}$ is equal to

asked May 20, 2013 by poojasapani_1

1 answer

If $u=\sin^{-1}\begin{pmatrix}\large\frac{x^{4}+y^{4}}{x^{2}+y^{2}}\end{pmatrix}$ and $f=\sin u$ then $f$ is a homogeneous function of degree

asked May 20, 2013 by poojasapani_1

1 answer

If $u=x^{y}$ then$\large\frac{\partial u}{\partial x}$ is equal to

asked May 20, 2013 by poojasapani_1

1 answer

The curve $y=ax^{3}+bx^{2}+cx+d$ has a point of inflexion at $x=1$ then

asked May 20, 2013 by poojasapani_1

1 answer

The point of inflexion of the curve $y=x^{4} $ is at

asked May 20, 2013 by poojasapani_1

1 answer

Which of the following curves is concave down ?

asked May 20, 2013 by poojasapani_1

1 answer

The curve $y=e^{-x} $ is

asked May 20, 2013 by poojasapani_1

1 answer

If $f(x)=x^{2}-4x+5$ on $[0 ,3 ]$ then the absolute maximum value is

asked May 18, 2013 by poojasapani_1

1 answer

The least possible perimeter of a rectangle of area $100m^{2}$ is

asked May 18, 2013 by poojasapani_1

1 answer

In a semi circle of diameter $4$cm a rectangle is to be inscribed . The maximum area of the rectangle is

asked May 18, 2013 by poojasapani_1

1 answer

The function $y=\tan x-x $ is

asked May 18, 2013 by poojasapani_1

1 answer

The function $f(x)=x^{2}$ is decreasing in

asked May 18, 2013 by poojasapani_1

1 answer

The function $f(x)=x^{2}-5x+4$ is increasing in

asked May 18, 2013 by poojasapani_1

1 answer

Which of the following function is increasing in $(0 , \infty)$

asked May 18, 2013 by poojasapani_1

1 answer

If$f(a)=2;f '(a)=1;(g)=(a)=-1;g '(a)=2$ then the value of $\;\lim \limits_{x \to 2}\Large\frac{g(x)f(a)-g(a)f(x)}{x-a}$ is

asked May 18, 2013 by poojasapani_1

1 answer

$\;\lim \limits_{x \to 0}\Large\frac{a^{x}-b^{x}}{c^{x}-d^{x}}$ is

asked May 18, 2013 by poojasapani_1

1 answer

$\;\lim \limits_{x \to \infty}\large\frac{x^{2}}{e^{x}}$ is

asked May 18, 2013 by poojasapani_1

1 answer

The value of$'c'$ of Lagranges Mean Value Theorem for $f(x)=\sqrt{x}$ when $a=1$ and $b=4$ is

asked May 17, 2013 by poojasapani_1

1 answer

The value of $c$ in Rolle's Theorem for the function $f(x)=\cos\large\frac{x}{2}$ on $[\pi,3]$ is

asked May 17, 2013 by poojasapani_1

1 answer