Question

Find he value of k so that the following quadratic equation has equal roots:2xsqare -(k-2)x+1=0 ( ch4 quadratic equation )

Answer 1

Step-by-step explanation:

for a quadratic equation to have equal roots, discriminant should be zero,that is,

b² = 4ac

(k-2)² = 4 * 2 * 1

= 8

k-2 = ± 2√2

k = 2+2√2 or 2-2√2

I hope this helps u