Find the value of k if the following equations has equal roots of x. xsq-2(k+1)x+ksq=0
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Answer:
-1/2
Step-by-step explanation:
for equal roots
D=0
b^2-4ac=0
(2(k+1))^2-4x1xk^2=0
4(k^2+2k+1)-4k^2=0
4k^2+8k+4-4k^2=0
8k+4=0
k=-1/2
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