Find the constants and so that 4x+1 (x-2)(x+1) = A x-2 + B x+1 .

MATHEMATICS · Subjective · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

Find the constants

A

and

B

so that

\frac{4x+1}{(x-2)(x+1)}=\frac{A}{x-2}+\frac{B}{x+1}.