Question

If the equation x^2 - bx + 1 = 0 has two distinct roots then
(a) -3 < b < 3
(b) -2 < b < 2
(c) b > 2
(d) b > -2

Answer 1

Answer:

b>2

Step-by-step explanation:

b2-4>0. since roots are distinct b2-4ac>0

b2>4

b>√4

b>2

bro b2 means b to the power 2