Question

For which values of p does the following equation has equal roots?

2x²-px+8=0
don't spam & don't give wrong Asn. plz ​

Answer 1

Step-by-step explanation:

1. not perfectly same but question solve at same way

Answer 2

In ax² + bx + c = 0,

Discriminant D =b² −4ac,

D = 0, for the roots to be real and equal

In 2x² - px + 8 = 0

Thus, we have a=2,b=(-p) and c=8

Then D =b² − 4ac=0

∴ (-p)² − 4×2×8 = 0

⇒p² − 64 = 0

⇒p = ±8.