14. If α and β are zeros of P(y) = 5y2-7y + 1 , find α + β . – InterviewSolution

1.

14. If α and β are zeros of P(y) = 5y2-7y + 1 , find α + β .

Answer»

Given : 5y² -7y + 1

a and b are zeroes so,

a + b = -(-7)/5 = 7/5

ab = 1/5

So, 1/a + 1/b

(a + b)/ab

(7 × 5)/5 = 7

Ans: 7

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