Question

1. Find the remainder when r' + 3r+ 3r+1 is divided by
(i) x+π​

Answer 1

Answer ⇲

➣By remainder theorem

↦ x+1= 0

↦ x=.−1

↦ p(x)=.x 3 +3x 2 −3x−1p(−1)

↦ = (−1) 3 +3(−1) 2−3(−1)−1

↦ = −1+3(1)+3−1

↦ = 6−2

➔ =4

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