`(5 - x)/(2x^2 + x - 1)` Write the partial fraction decomposition of the rational expression.

Expert Answers

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Let `(5-x)/(2x^2+x-1)=A/(2x-1)+B/(x+1)`







solving the above two linear equations to get A and B ,

subtracting the second equation from the first equation,





Plug the value of A in second equation,







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