RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 10. Quadratic Equations

Subject: Maths - Class 10th

Q. No. 10 of Exercise 10F

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10

If one root of 5x2 + 13x + k = 0 be the reciprocal of the other root then the value of k is

Let the roots of equation be than other root will be


Product of two roots =


Product of the roots =


For the given equation 5x2 + 13x + k = 0


a = 5 b = 13 c = k comparing with ax2 + bx + c = 0


Product of the roots


k = 5

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