Question

8) The value of k if (x - 1) is a factor of 4x cube + 3 x square - 4x + k is ?​

Answer 1

Answer:

k = -3

Step-by-step explanation:

x-1 = 0

X = 1

f(X) = 4x³+3x²-4x+k

f(1) = 4(1)³+3(1)²-4(1)+k = 0

f(1) = 4+3-4+k = 0

f(1) = 3+k = 0

k = -3