Question

find the remainder when x³ + 3x² +x+1 is​

Answer 1

Answer:

to which number we have to divide it

I mean to say where is the divisor

Answer 2

Answer:

(i) x + 1

Apply remainder theorem

=>x + 1 =0

=> x = - 1

Replace x by – 1 we get

=>x3+3x2 + 3x + 1

=>(-1)3 + 3(-1)2 + 3(-1) + 1

=> -1 + 3 - 3 + 1

=> 0

Remainder is 0

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