Section-A' / 7gu-' 37'1. What is the nature of roots of quadratic equa – InterviewSolution

1.

Section-A' / 7gu-' 37'1. What is the nature of roots of quadratic equation 5x2-7x2 0?

Answer»

5x²-7x+2 = 0

D = b²-4ac = (-7)² - (4*5*2) = 49-40 = 9 = +ve

so, roots are real and unequal.. and rational also because D is a perfect square of 3

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