Question

(iii) 4x° - 6x2 - 4x + k by 2x - 1 FIND K​

Answer 1

Answer:

put 2x - 1 = 0

x = 1/2

$4 ({ \frac{1}{2}) }^{3} - 6( { \frac{1}{2}) }^{2} - 4 \times \frac{1}{2} + k = 0 \\ \frac{1}{2} - \frac{3}{2} - 2 + k = 0 \\ - 1 - 2 = - k \\ k = 3$