AM-441

Partial fractions

A Math · Secondary 3 · Easy · Partial fractions

Express

\dfrac{5x+7}{(x-2)(x+1)}

in partial fractions of the form

\dfrac{A}{x-2}+\dfrac{B}{x+1}

. What is the value of

A

?

$\dfrac{17}{3}$
$\dfrac{7}{3}$
3
-3

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