Question

Determine nature of root of quadratic equation 2x2-5x+7=0​

Answer 1

2x² - 5x +7 = 0

Discriminate = b² -4ac

=(-5)² -4(2)(7)

= 25 - 56

= -31

.

HERE, the discriminate less than

zero . i.e- b^2-4ac<0

so this equation have unreal roots