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Recent questions tagged q71

The maximum value of $\large\frac{\log x}{x}$$,0 < x < \infty$ is :

asked Oct 10, 2013 by meena.p

1 answer

The number of solutions of the pair of equations $2\sin^2\theta-\cos 2\theta=0,2\cos^2\theta-3\sin\theta=0$.In the interval $[0,2\pi]$ is

asked Oct 10, 2013 by sreemathi.v

1 answer

Which of the following hormone regulate solute reabsorption during urine formation in Rabbit?

asked Oct 7, 2013 by thanvigandhi_1

1 answer

A variable triangle ABC is inscribed in a circle of diameter in a circle of diameter x units. At a particular instant, the rate of change in side a is $\large\frac{x}{2}$ times the rate of change in its opposite angle A. Then A=

asked Sep 27, 2013 by meena.p

1 answer

The point of contact the circles $x^2+y^2+2x+2y+1=0$ and $x^2+y^2-2x+2y+1=0$ is

asked Sep 23, 2013 by meena.p

1 answer

The focal length of a mirror is given by $\large\frac{2}{f}=\frac{1}{v}-\frac{1}{u}.$ In finding the values of $u$ and $v$, the error are equal and equal to 'p'. Then, the relative error in f is

asked Sep 17, 2013 by meena.p

1 answer

If a graph is plotted between $T^2$ and $r^3$ for a planet the slope will be

asked Aug 24, 2013 by meena.p

1 answer

A cyclotron is used to accelerate protons deuterons, $\alpha$- particles etc. If energy attained after acceleration by proton is E, the energy attained by $\alpha$- particle shall be

asked Aug 6, 2013 by meena.p

1 answer

A small disc is on top of a hemisphere of radius R. What is the smallest horizontal velocity v that should be given to the disc for it to leave the hemisphere and not slide down ? (assume there is no friction)

asked Jul 12, 2013 by meena.p

1 answer

There are two values of time for which a projectile is at same height. The sum of these two times is

asked Jul 1, 2013 by meena.p

1 answer

The volume of the solid obtained by revolving $\large\frac{x^{2}}{9}+\frac{y^{2}}{16}$$=1$ about the minor axis is

asked May 22, 2013 by poojasapani_1

1 answer

If $x=\cos\theta+i\sin\theta $ the value of $x^{n}+\large\frac{1}{x^{n}}$ is

asked May 12, 2013 by poojasapani_1

1 answer

Evaluate: $ \int \limits _0 ^{\pi} log(1+\cos x)dx$

asked Feb 3, 2013 by meena.p

1 answer

Find the interval on which the function $ \large\frac{x}{log x}$ is increasing or decreasing.

asked Jan 29, 2013 by meena.p

0 answers

General solution of $\frac{dy}{dx} + y\tan x = \sec x$ is

asked Jan 20, 2013 by sreemathi.v

1 answer

Let A and B be two events .Such that $P(A)=\Large\frac{3}{8}$,$P(B)=\Large \frac{5}{8}$ and $P(A\cup B)=\Large\frac{3}{4}$.Then P(A|B).P(A|B) is equal to

asked Jan 10, 2013 by sreemathi.v

1 answer

Find the points on the curve $y=(\cos x-1)$ in [0,2$\pi$],where the tangent is parallel to $x$-axis.

asked Jan 2, 2013 by sreemathi.v

1 answer

The product of any matrix by the scalar ____________ is the null matrix.

asked Dec 24, 2012 by sreemathi.v

1 answer

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