find the remainder when x⁴-3x³+2x²+2x+1 is divided by x-1
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Let,
P(x) = x⁴- 3x³ + 2x² + 2x + 1
So,
g(x) = x - 1
⇒ x = 1
To be found :
The remainder when g(x) is divided by P(x)
P(1) = (1)⁴- 3(1)³ + 2(1)² + 2(1) + 1
[ ∵ as 1*1*1*1 = 1, 1*1*1 = 3, 1*1 = 2 ]
= 1 - 3(1) + 2(1) + 2 + 1
= 1 - 3 + 2 + 2 + 1
= 1 + 2 + 2 + 1 - 3
= 6 - 3
= 3
Hence,
The remainder is 3.
tarun9696:
think so answer is wrong
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