Question

When x^4 + 2x^3 - 3x^2 + x + 1 is divided by (x-2) the remainder is

Answer 1

Step-by-step explanation:

When f(x) = x4 - 2x3 + 3x2 - ax is divided by x + 1 and x - 1 , we get remainders as 19 and 5 respectively .

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Answer 2

Answer:

a + b = 13

Step-by-step explanation:

this is the answer

f(-1) = 19 and f(1) = 5

⇒ (-1)4 - 2 (-1)3 + 3(-1)2 - a (-1) + b = 19

⇒ 1 +2 + 3 + a + b = 19

∴ a + b = 13 ------- (i)

Again , f(1) = 5