Question

If the equation x²-BX+1=0 has two distinct real roots then which of the following is correct?

Answer 1

Answer:

If equation x

2

−bx+1=0 does not have real roots, then

Δ<0⟹b

2

−4<0

(b+2)(b−2)<0

∴−2<b<2

Step-by-step explanation:

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