Question

. If x=2K is a factor of f(x) = -4kx +2x+2 +3 Find K.​

Answer 1

$\huge\boxed{\fcolorbox{black}{grey}{Hi dear!}}$

$x = 2k$

Putting the value of x in f(x)

$- 4k \times 2k + 2 \times 2k + 2 + 3 \\ - 8k + 4k + 5 \\ - 4k + 5 = 0 \\ 4k = - 5 \\ k = \frac{ - 5}{4}$