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3
Question:-
x³ + 3x² + 3x + 1 is divided by x + 1
Solution:-
Take x + 1
x + 1 = 0
x = - 1
So , we have value of x now put the value of x on polynomial :- x³ + 3x² + 3x + 1
=> ( - 1 )³ + 3 × ( - 1 )² + 3 × - 1 + 1
=> - 1 + 3 × 1 - 3 + 1
=> - 1 + 3 - 3 + 1
=> 0
Remainder is = 0
Answer:- option D is correct
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