Recent questions tagged equations - GO Electrical

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GATE2013-63
The set of values of $p$ for which the roots of the equation $3x^2+2x+p(p-1)=0$ are of opposite sign is $(-\infty ,0)$ $(0,1)$ $(1,\infty )$ $(0,\infty )$

asked Feb 12, 2017 in Numerical Methods by piyag476 (1.5k points)

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GATE2013-36
$\oint \frac{z^2-4}{z^2+4} dz$ evaluated anticlockwise around the circle $|z-i|=2$ , where $i=\sqrt{-1}$, is $-4\pi$ 0 $2+\pi$ $2+2i$

asked Feb 12, 2017 in Differential Equations by piyag476 (1.5k points)

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GATE2014-2-5
Consider the differential equation $x^2\frac{d^2y}{dx^2}+x\frac{dy}{dx}-y=0$ . Which of the following is a solution to this differential equation for$x>0$? $e^x$ $x^2$ $1/x$ $lnx$

asked Feb 12, 2017 in Differential Equations by makhdoom ghaya (9.2k points)

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