one of the roots of wuadratic equation 2xsquare+kx-2=0 is -2, find k.
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hey mate ,
given-2 is root of equation
2^2+k[-2]-2=0
2-2k=0
k=1
hope it helps u :)
given-2 is root of equation
2^2+k[-2]-2=0
2-2k=0
k=1
hope it helps u :)
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