Question

the polynomial p(x) =x ³-4x+a when divided by the polynomial (x-3) leaves remainder 5 . What is the value of a​

Answer 1

Answer:

Here x-3 = 0

So, x = 3

Now, p(3) = 3³-4(3)+a

5 = 27-12+a

5 = 15 + a

So, a = 5-15

a = -5

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