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Recent questions tagged q9-b

Four candidates A,B,C,D have applied for the assignment to coach a school cricket team.If A is twice as likely to be selected as B,and B and C are given about the same chance of being selected,while C is twice as likely to be selected as D,what are the probabilities that A will not be selected?

asked Jul 7, 2014 by sreemathi.v

1 answer

The capacitors in figure are initially uncharged and are connected as in the diagram with switch S open. The applied potential difference is $V_{ab} = +360 V$.What is the potential difference across each capacitor after switch S is closed?

asked Jun 18, 2014 by meena.p

1 answer

Find the value of $x$,if $1\ast(x\ast 2)=8$,where the operation $\ast$ is defined by $a\ast b=a+b+\large\frac{ab}{2}\normalsize,\forall a,b,\in R$.

asked Apr 22, 2013 by sreemathi.v

0 answers

Prove the right cancellation law in a group.

asked Apr 19, 2013 by sreemathi.v

0 answers

Solve the differential equation : $\tan x\large\frac{dy}{dx}\normalsize+2y=\sec x$

asked Apr 17, 2013 by sreemathi.v

0 answers

Solve the differential equation : $y dx-(x+2y^2)dy=0$.

asked Apr 16, 2013 by sreemathi.v

0 answers

Solve the differential equation : $x\large\frac{dy}{dx}\normalsize-y=\sqrt {x^2+y^2}$.

asked Apr 16, 2013 by sreemathi.v

0 answers

Solve : $(x^2+y^2)dx-2xydy=0$,given that $y=0$,when $x=1$.

asked Apr 15, 2013 by sreemathi.v

0 answers

Solve the following differential equation for a particular solution : $dy=(5x-4y)dx;$ when $y=0$ and $x=0$.

asked Apr 12, 2013 by sreemathi.v

0 answers

Find the locus of a complex number $z=x+iy$,satisfying the relation $\mid 3z-4i\mid \leq \mid 3z+2\mid.$Illustrate the locus in the Argand plane.

asked Apr 12, 2013 by sreemathi.v

0 answers

Solve the following differential equation for a particular solution : $y-x\large\frac{dy}{dx}\normalsize=x+y\large\frac{dy}{dx}$,when $y=0$ and $x=1$.

asked Apr 11, 2013 by sreemathi.v

0 answers

Solve the differential equation :$\Large \frac{dy}{dx}\normalsize -3y cot\;x=sin \;2x$,given y=2,when $x=\Large \frac{\pi}{2}$

asked Apr 10, 2013 by sreemathi.v

0 answers

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