Question 0503a

Sigma Notation
Partial Fractions

Question

Express
x+1(x8)(x4)\frac{x + 1}{(x - 8)(x - 4)}
as partial fractions
Ax8+Bx4.\frac{A}{x - 8} + \frac{B}{x - 4}.

Attempt

A={A=}
B={B=}

Answer

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