Question

If (x-2) divides x^3-3x^2+k exactly . Find the value of k

Answer 1

Answer:

let f(x)=0

f(x)= (x-2)

x-2=0

x=2

now putting x=2 in given equation

x³-3x²+k=0

(2)³-3(2)²+k=0

8-12+k=0

k-4=0

k=4