Question

if a remainder on division of X3+2x2+Kx+3byx-3is21 find the quotient and the value of k.​

Answer 1

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x-3=0

x=3

f(x)=x³+2x²+Kx+3

f(x)=3³+2(3)²+3K+3

27+18+3K+3=21

48+3K=21

3K= -27

K= -9