Question

find the value of k if x-3 is a factor of x³-4x²+x+k​

Answer 1

Answer:

ans is 6 hope it will help you

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Step-by-step explanation:

x-3 is a factor of x³ -4x²+x+k =0

let f(x) = x³ -4x²+x+k =0

therefore

f(x) = 3 (according to the theorem)

x³-4x²+x+k

( 3)³ - 4 * (3)² + 3 +k = 0

27 - 36 +3 +k =0

-6 +k =0

k = 6