Question

5) Find k, if the roots of the quadratic equation kx2 - 4x + 4 = 0 aren equal.​

Answer 1

Answer:

D=b^2-4ac. ---- ( Equal roots)

D=b^2-4ac=0

=(-4)^2-4×k×4=0

=16-16k=0

16k=16

k=1