The positive value of k for which the eq...

The positive value of `k` for which the equation `x^2+k x+64=0` and `x^2-8x+k=0` will both have real roots, is 4 (b) 8 (c) 12 (d) 16

A

16

B

-16

C

12

D

-12

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QUADRATIC EQUATIONS
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REAL NUMBERS
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