find the remainder when x*3+x+1 divided by x+2
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0
Answer:
-9
Step-by-step explanation:
-9 is the remainder when x³ + x + 1 is divided by x + 2
Answered by
0
Answer:
We use the remainder theorem here
Given divider = x + 1
So of it is a factor p (x) = 0
x + 1= 0 => x = -1
When will it be a factor, when we subtract the remainder
According to the question
P ( -1 ) - r = 0
Polynomial =x^3+3x^2 -3x-1
Therefore
-1^3 +3 × -1 ^2 -3 ×-1 - 1 -r =0
-1 +3+3-1 = r
Remainder = 4
Hope it helps
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