Question

If x = 1 is a zero of the polynomial 3+ kx^2 + 2 ,find the value of k.

Plz it's urgent. ​

Answer 1

k = i√ 5 , -i√ 5

Explanation:

3 + kx^2 + 2 = ?

3 + k(1)^2 + 2 = ?

5 + k(1)^2 = ?

5 + k^2 = ?

k^2 = -5

k = i√ 5 , -i√ 5