Question 0503a

Sigma Notation
Partial Fractions

Question

Express
x+3(x7)(x5)\frac{x + 3}{(x - 7)(x - 5)}
as partial fractions
Ax7+Bx5.\frac{A}{x - 7} + \frac{B}{x - 5}.

Attempt

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

Answer

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