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Which of the following is the value of K, if one
the quadratic equation x² + kz - 8 =0
root
is -4?
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given equation,
x²+kz-8=0
it is saticified by -4
i.e;. (-4)²+kz-8=0
16+kz-8=0
kz=-8
k=-8/z
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