Question

find the quadratic polynomial whose zeros are root2 and 2root

Answer 1

Sum of roots = ✓2 + 2✓2 = 3✓2

Product of roots = ✓2 x 2✓2 = 4

Quadratic equation -->

x^2 - ( sum of roots)x+ product of roots

= x^2 - 3✓2x + 4

Hope This Helps You!