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Recent questions tagged q99

A small mass is hung from the ceilling of a train compartment. The train moves up an incline of $30 ^{\circ}$ with horizontal. Acceleration of train up the incline is $a=\large\frac{g}{2}.$ The angle with which the string supporting the mass makes with normal to ceiling in equilibrium

asked Jul 15, 2013 by meena.p

1 answer

If $\large\frac{dy}{dx}=\frac{x-y}{x+y}$ then

asked May 23, 2013 by poojasapani_1

1 answer

If the length of major and semi-minor axis of an ellipse are $8 , 2 $ and their corresponding equations are $y-6=0 $ and $x+4=0 $ then the equations of the ellipse is

asked May 13, 2013 by poojasapani_1

1 answer

Evaluate:\[\int \limits _0 ^ \pi \Large\frac{e^{\cos x}}{[e^{\cos x}+e^{-\cos x}]}dx\]

asked Feb 4, 2013 by meena.p

1 answer

Find the sides of a rectangle of greatest area that can be inscribed in the ellipse $ x^2+4y^2=16$

asked Jan 30, 2013 by meena.p

1 answer

True or False: Another name for the mean of a probability distribution is expected value.

asked Jan 10, 2013 by sreemathi.v

1 answer

If $f(x)=\mid \cos x\mid$,then $f'(\frac{\pi}{4})$=____________.

asked Jan 3, 2013 by sreemathi.v

1 answer

True or False: If $A =\begin{bmatrix} 2 & 3 & 1 \\ 1 &4 & 2 \end{bmatrix}\; and\; B=\begin{bmatrix}2 & 3 \\ 4& 5 \\ 2 & 1 \end{bmatrix},$ then AB and BA are defined and equal.

asked Dec 24, 2012 by sreemathi.v

1 answer

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