Roots of the equation x² + x - 1 = 0 are
a) Equal
b) Irrational
c) Imaginary
d) Rational
Select one
Answers
Answered by
0
Answer:
Roots of the equation x² + x - 1 = 0 arec) Imaginary
Step-by-step explanation:
Answered by
0
Answer:
By Quadratic Formula
if b^2-4ac > 0 roots are real and different
if b^2-4ac = 0 roots are real and equal
if b^2-4ac < 0 there are no real roots
Here
b^2- 4ac = 5
so answer is d)
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