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Recent questions tagged q77

The differential equation obtained by eliminating the arbitrary constant a and b from $xy=ae^x+be^{-x}$ is

asked Oct 28, 2013 by meena.p

1 answer

In the brain of Rabbit, Aqueduct of sylvius is located in

asked Oct 19, 2013 by thanvigandhi_1

1 answer

The solution of the different equation $\large\frac{dy}{dx}=\frac{xy+y}{xy+x}$ is

asked Oct 18, 2013 by meena.p

1 answer

In a $\Delta$le ABC $a:b:c=4:5:6$.The ratio of the radius of the circle to that of the incircle is

asked Oct 10, 2013 by sreemathi.v

1 answer

The line $x= \large\frac{\pi}{4}$ divides the area of the region bounded by $y=\sin x, y= \cos x$ and x-axis $\bigg(0 \leq x \leq \large\frac{\pi}{2}\bigg)$ into two regions of areas $A_1$ and $A_2$. Then $A_1 : A_2=$

asked Oct 10, 2013 by meena.p

0 answers

Identify the correct pair

asked Oct 7, 2013 by thanvigandhi_1

1 answer

The area ( in square units) of the region enclosed by the two circles $x^2+y^2=1$ and $(x-1)^2+y^2=1$ is :

asked Sep 29, 2013 by meena.p

1 answer

The ratio in which the line joining $(2,-4,3)$ and $(-4,5,-6)$ is divided by the plane $3x+2y+z-4$ is

asked Sep 23, 2013 by meena.p

1 answer

The area (in square units) bounded by the curves $x=-2y^2$ and $x=1-3y^2$ is

asked Sep 17, 2013 by meena.p

1 answer

A uniform ring of mass $M$ and radius $R$ is placed directly above a uniform sphere of mass $8M$ and of radius $R$. The center of the ring is at a distance of $d= \sqrt 3 R$ from the center of the sphere. The gravitational attraction between the sphere and ring is

asked Aug 26, 2013 by meena.p

1 answer

A smooth narrow tube in the form of an arc AB of a circle of center O and radius r is fixed so that A is vertically above O and OB is horizontal. Particles P and Q of mass m and 2m respectively. with a light in extensible string connecting them (length $\large\frac{\pi\;r}{2}$) are placed inside the tube with P at A and Q at B. and released from rest. Assuming that the string remains during motion, find speed of particles when P reaches B

asked Aug 7, 2013 by meena.p

1 answer

A cyclist moves in circular path of radius $100 m$ If the coefficient of friction is 0.2, then the maximum velocity with which the cyclist must take the turn with leaning inwards

asked Jul 12, 2013 by meena.p

1 answer

The surface area of the solid of revolution of the region bounded by $y=2x,x=0$ and $x=2$ about $x$-axis is

asked May 22, 2013 by poojasapani_1

1 answer

The quadratic equation whose roots are $\pm\;i\sqrt{7} $is

asked May 13, 2013 by poojasapani_1

1 answer

Evaluate:$\int \limits_{-5}^ 8 |x+3|dx$

asked Feb 4, 2013 by meena.p

1 answer

Find the angle between the parabolas $ y^2=4ax\;and\;x^2=4by$ at their point of intersection other than the origin.

asked Jan 30, 2013 by meena.p

0 answers

Assume that in a family,each child is equally likely to be a boy or a girl.A family with three children is chosen at random.The probability that the eldest child is a girl given that the family has at least one girl is

asked Jan 10, 2013 by sreemathi.v

1 answer

Find a point on the curve $y=(x-3)^2$,where the tangent is parallel to the chord joining the point (3,0) and (4,1).

asked Jan 2, 2013 by sreemathi.v

1 answer

If A is skew symmetric, then kA is a __________. (k is any scalar).

asked Dec 24, 2012 by sreemathi.v

1 answer

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