Question

find the value of k the given equations has real and equal roots​

Answer 1

Answer:

The given equation has equal roots

⇒ Discriminant=b

2

−4ac=0

where a=2,b−(k−2),c=−1

⇒(k−2)

2

−4×2×1=0

⇒(k−2)

2

=8

⇒k−2=±

8

=±2

2

∴k=2±2

2

Step-by-step explanation:

equation has equal roots