If -4 is the root of quadratic equation x^2 +px -4 =0 and the quadratic equation x^2 +px + k has real and equal roots , find k.
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If -4 is the root of quadratic equation x^2 +px -4 =0 and the quadratic equation x^2 +px + k has real and equal roots , find k.
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here is your answer.. ...........
plz refer to this attachment