Question

X equal to root 2 solution of quadratic equation X square + kx - 4 = 0 then find the value of k​

Answer 1

Answer:

root 2

Step-by-step explanation:

(root2)²+k(root2)-4=0

k root 2=2

k=2/ root 2

2/root2×root2/roor2

=root 2