if -4 is a root of x²+ px-4=0 and x²+px+k=0 has equal roots, then k=
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-4 hope it helps
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(-4)²+p(-4)-4=0,
16-4p-4=0,
12-4p=0,
p=3,
since both the equations have equal roots then
-4=k
16-4p-4=0,
12-4p=0,
p=3,
since both the equations have equal roots then
-4=k
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