Question

If 3 is a root of the equation x2- 2kx - 6 = 0, then the value of k is​

Answer 1

Answer:

k= 1/2

Step-by-step explanation:

Given that,

3 is root of x^2-2kx-6=0

that implies,

(3)^2 - 2k(3)-6=0

9 - 6k -6 =0

3- 6k =0

-6k = -3

Therefore, k= 1/2