Question 1 Report
Find P if \( \frac{x-3}{(1-x)(x+2)} = \frac{p}{1-x} + \frac{Q}{x+2} \)
Answer Details
x−3(1−x)(x+2) x − 3 ( 1 − x ) ( x + 2 ) = p1−x p 1 − x + Qx+2 Q x + 2 Multiply both sides by LCM i.e. (1 - x(x + 2)) ∴ x - 3 = p(x + 2) + Q(1 - x) When x = +1 (+1) - 3 = p(+1 + 2) + Q(1 - 1) -2 = 3p + 0(Q) 3p = -2 ∴ p = −23
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