RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 2. Polynomials

Subject: Maths - Class 10th

Q. No. 10 of CCE - Formative Assessment

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10

If the product of zeros of the quadratic polynomial f(x) = x2 — 4x + k is 3, find the value of k.

Given,


Let the quadratic polynomial be f(x) = x2 – 4x + k
Product of the zeroes of the quadratic polynomial = 3
Now,


Product of the zeroes = constant term/coefficient of x2


3 = k/1
k = 3


Chapter Exercises

More Exercise Questions

8

The sum and product of the zeros of a quadratic polynomial are and — 3 respectively. What is the quadratic polynomial?