If -4 is a root of the quadratic equation
x^2 + kx-4=0 and the quadratic equation
x^2+ px + k=0, then the equal roots to find the
value of p and k.
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Answer:
Substitute the value of -4 in both the equations
(-4)²+k(-4)-4=0
16-4k-4=0
12=4k
k=12/4
k=3
(-4)²+p(-4)+3=0
16-4p+3=0
16+3=4p
19=4p
19/4=p
Hope it is right
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