Question

The value of k, if (x-1)is a factor of 4x²=3x³ -4k+k is

a) 1 c) -3

b) 2 d) 3​

Answer 1

Answer:

Let f(x) be 3x³-4x²-4x+k

If x-1 is a factor of f(x),

Then f(1) = 0.

→ 3(1)³-4(1)²-4(1)+k = 0

→ k = 5