Question

If the roots of the equation kx2-5x+k=0 has real and equal roots then find the value of k

Answer 1

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Answer 2

kx2-5x+k=0
D=b2-4ac =0

D=5*5-4*k*k=0

25-4k2=0

-4k2=-25

k=√25/4

k=5/2