Question

Q24. Find the value of p for which the quadratic equation 2x²+px+8=0 has two real and distinc roots

Answer 1

we have,

2x²+px+8 = 0

so, D = 0

b²-4ac = 0

p²-4(2)(8) = 0

p² = 64

p = +-8 ...ans.