Quant Question Of The Day: 81
Polynomials
Find the remainder when 3x5 + 2x4 – 3x3 – x2 + 2x + 2 is divided by x² – 1.
a) 2x + 3
b) 2x – 2
c) 4x + 6
d) 3
e) None
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Ans :-(e) by using remainder theorem
How can one use remainder theorem when 1/-1 is not a factor of the dividend
a) 2x+3
a) 2x+3
a) 2x+3
How can one use remainder theorem when 1/-1 is not a factor of the dividend.
Replace x^2 by 1
So, 3x^5 will become 3x
2x^4 will become 2
-3x^3 will become -3x
-x^2 will become -1
2x + 2 will remain as it is
Add them to get 2x + 3
A) 2x+3