Question

find a quadratic polynomial with rational coefficients whose one zero is √5 -2 .

Answer 1

ANS- If one root is √5 -2 then by rule of quadratic equation other root is √5+2

Therefore, Quadratic equation = [x-(√5-2)[x-√5+2)]] x2(means x ki power 2 )

So,=x2- (2√5)x+1

hope it's helpful to you