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Recent questions tagged q72

Identify the correct statement with reference to 'arbor vitae' in the brain of Rabbit

asked Oct 18, 2013 by thanvigandhi_1

1 answer

If $I_n =\int x^n. e^{ex} dx $ for $ n \geq 1$ then $C.I_n+n.I_{n-1}=$

asked Oct 18, 2013 by meena.p

0 answers

$z=\tan (y+ax)+\sqrt {y-ax}=> z_{xx}-a^2z_{yy}=$

asked Oct 10, 2013 by meena.p

1 answer

Let $\theta\in \big(0,\large\frac{\pi}{4}\big)$ and $t_1=(\tan\theta)^{\large\tan\theta}$,$t_2=(\tan\theta)^{\large\cot\theta}$,$t_3=(\cot\theta)^{\large\tan\theta},t_4=(\cot\theta)^{\large \cot\theta}$ then

asked Oct 10, 2013 by sreemathi.v

1 answer

In ECG a prolonged PR interval indicates

asked Oct 7, 2013 by thanvigandhi_1

1 answer

$u= \sin ^{-1} \bigg(\large\frac{x^4+y^4}{x+y}\bigg)$$=> x \large\frac{du}{dx}$$+y \frac{du}{dy}=$

asked Sep 27, 2013 by meena.p

1 answer

If a chord of the parabola $y^2=4x$ passes through its focus and makes an angle $\theta$ with the $X-axis,$ then its length is

asked Sep 23, 2013 by meena.p

1 answer

$u=\log(x^3+y^3+z^3-3xyz)=>(x+y+z)(u_x+u_y+u_z)=$

asked Sep 17, 2013 by meena.p

1 answer

Mean distance of mars from sun is 1.524 times the distance of earth from sun. The period of revolution of mars around the sun is

asked Aug 24, 2013 by meena.p

1 answer

In the arrangement as shown a mass m is released from rest with spring unstreched.What is the speed of block at equillibrium position

asked Aug 6, 2013 by meena.p

1 answer

A block of mass 1 kg lies on a horizontal surface in a truck the coefficient of static friction between the block and the surface is 0.6. If the acceleration of the truck is $5m/s^2$, the frictional force acting on the block is

asked Jul 12, 2013 by meena.p

1 answer

The volume, When the curve $y=\sqrt{3+x^{2}}$ from $x=0$ to $x=4$ is rotated about $x$-axis is

asked May 22, 2013 by poojasapani_1

1 answer

If $ a=\cos\alpha- i \sin \alpha,b=\cos\beta-i \sin\beta,c=\cos\gamma-i\sin\gamma$ then $(a^{2} c^{2} -b^{2})/abc$ is

asked May 12, 2013 by poojasapani_1

0 answers

Evaluate:$\Large\int \limits_{\normalsize 0}^{\normalsize \pi} $$\large\frac{x\; \tan x}{\sec x\; \text{cosec} x}$

asked Feb 4, 2013 by meena.p

1 answer

Find the points on the curve $\large\frac{x^2}{4}+\frac{y^2}{25}=1$ at which the tangents are parallel to x-axis and parallel to y-axis.

asked Jan 30, 2013 by meena.p

0 answers

Solution of the differential equation $\large\frac{dy}{dx}+\frac{y}{x}$$=\sin x$ is:

asked Jan 20, 2013 by sreemathi.v

1 answer

If the events A and B are independent ,then $P(A\cap B)$ is equal to

asked Jan 10, 2013 by sreemathi.v

1 answer

Using Rolle's theorem,find the point on the curve $y=x(x-4),x\in[0,4]$,where the tangent is parallel to $x$-axis.

asked Jan 2, 2013 by sreemathi.v

1 answer

A matrix which is not a square matrix is called a __________ matrix.

asked Dec 24, 2012 by sreemathi.v

1 answer

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