Question

Class 10 cbse polynomials question

Answer 1

let the other zero be z then

z = a + sqrtb 1
----------- * ------------
a^2 - b a - sqrtb


= 1 / (a - sqrt b)^2

Polynomial is:-

(x - (a - sqrtb) ) ( x - 1 / (a - sqrtb)^2))

which expands to (a - sqrt b)^2 x^2 - (1 + (a - sqr b)^3 ) x + a - sqr tb