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Recent questions tagged q79

The solution of the differential equation $\large\frac{dy}{dx}$$=\sin (x+y) \tan (x+y)-1$ is :

asked Oct 11, 2013 by meena.p

1 answer

What is the phenotype of the offspring born to a woman with normal vision ( homogygous ) and a colour blind man?

asked Oct 8, 2013 by thanvigandhi_1

1 answer

The solution of $\tan y \large\frac{dy}{dx}$$=\sin (x+y)+\sin (x-y)$ is :

asked Sep 29, 2013 by meena.p

1 answer

A plane passes through $(2,3,1)$ and is perpendicular to the line having direction ratios $3,-4,7$.The perpendicular distance from the origin to this plane is

asked Sep 23, 2013 by meena.p

1 answer

An integrating factor of the equation $(1+y+x^2y) dx +(x+x^3)dy=0$ is

asked Sep 17, 2013 by meena.p

1 answer

If the period of revolution of an artificial satellite just above the earth's surface is T and density of earth is $\rho$ then $\rho T ^2$

asked Aug 26, 2013 by meena.p

1 answer

A horse pulls a wagon with a force of $360\; N$ at an angle of $60^{\circ}$ with horizontal at a speed of $10 km/hr$. The Power of the horse is

asked Aug 7, 2013 by meena.p

1 answer

The integrating factor of $\large\frac{dy}{dx}$$+2\large \frac{y}{x}$$=e^{4x}$ is

asked May 22, 2013 by poojasapani_1

1 answer

If $\large\frac{1-i}{1+i}$ is a root of the equation $ax^{2}+bx+1=0$ where $a ,b $ are real then $(a , b) $is

asked May 13, 2013 by poojasapani_1

1 answer

Evaluate:$\int \limits_0^ 1 \Large \frac{dx}{\sqrt{x+1}+\sqrt x}$

asked Feb 4, 2013 by meena.p

1 answer

If $ y=x^4-10 $ and if x changes from 2 to 1.97, what is the appropriate change in y ?

asked Jan 30, 2013 by meena.p

0 answers

A box contains 3 orange balls,3 green balls and blue balls.three balls are drawn at random from the box without replacement .The probability of drawing 2 green balls and one blue ball is

asked Jan 10, 2013 by sreemathi.v

1 answer

Find the values of p and q so that $f(x)=\left \{\begin{array}{1 1}x^2+3x+p, & if \;x\leq\;1\\qx+2, & if\;x>\;1\end{array}\right.$is differentiable at $x=1.$

asked Jan 2, 2013 by sreemathi.v

1 answer

If A is symmetric matrix, then B'AB is ________ .

asked Dec 24, 2012 by sreemathi.v

1 answer

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