RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 2. Polynomials

Subject: Maths - Class 10th

Q. No. 19 of CCE - Formative Assessment

Listen NCERT Audio Books to boost your productivity and retention power by 2X.

19

If α, β, γ are the zeros of the polynomial f(x) = x3 – px2 + qx – r, then =

Given,


f(x) = x3 – px2 + qx – r


α, β and y are the Zeros,


α + β + y = – p


αβ + βy + yα = – q


αβy = – r


1/αβ + 1/βy + 1/yα = p/r

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?