Question

if F(x) = x^4 - 2x^3 + 3x^2 - ax + b is divided by x - 1 and x + 1 the remainder are 5 and 19 respectively then find A and B
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Answer 1

Answer:

${x}^{4} - 2 {x}^{3} + 3 {x}^{2} - ax + b$

➗ by

$x - 1 \: and \: x + 1$

$remainder = 5 \: 19$

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