Question

for what value of k the quadratic equation kx²-kx+1=0 has equal roots. Also find these roots
​

Answer 1

Answer:

the quadratic equation kx²-kx+1=0 has equal roots

D=0

b²-4ac= 0

k²-4×k×1=0

k²-4k=0

k²=4k

divide both side by k

k=4