Question

12. If x¹¹- 1 is divided by x-1,then the remainder is
a) 1
b) O
c) 2.
d) 3​

Answer 1

Answer:

option 2nd

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Answer 2

Answer :

Given polynomial x3+1 divided by (x+1)

f(x)=x3+1

The polynomial divided by (x+1) 

Then put x=−1, we get

f(−1)=(−1)3+1

⇒f(−1)=−1+1

⇒f(−1)=0

So, f(x)=x3+1 is divided by x+1 the remainder is zero. 

So, by Remainder Theorem, we know that f(x)=x3+1 is divided by x+1 gives 0 as the remainder

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