Question

find k if 3x power 4 + 8x cube -4kx + k is divisible by x-2

Answer 1

Step-by-step explanation:

x = 2

3*2^4 +8 * 2^3 - 4*ᴋ*2 + ᴋ

3 * 16 + 8 * 8 - 8ᴋ + ᴋ

48 + 64 - 8ᴋ + ᴋ

112 - 7ᴋ

-7ᴋ = -112

ᴋ = 16