RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 10. Quadratic Equations

Subject: Maths - Class 10th

Q. No. 42 of Exercise 10F

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42

If one root of the quadratic equation 3x2 - 10x + k = 0 is reciprocal of the other, find the value of k.

Let α and β be roots of the quadratic equation 3x2 - 10x + k = 0

a = 3 b = - 10 c = k


Then



Product of roots



k = 3


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