Question

If log½ 8 is a root of quadratic equation x² + x - k = 0, then find the value of k.​

Answer 1

FOR log½ 8 =-3

x² + x - k = 0

Putting value of x

-3

$- 3 ^{2} - 3 + k = 0$

9-3+k=0

6+k=0

k=-6

Hope this helps