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Q.If x(x−2)(x+3)=Ax−2+Bx+3\dfrac{x}{(x-2)(x+3)}=\dfrac{A}{x-2}+\dfrac{B}{x+3}, find AA.

Yanam BieapSubjective· 2mImportance★★★★★est
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Multiply both sides by (x−2)(x+3)(x-2)(x+3), then plug in x=2x=2 so the BB term drops out, leaving AA alone.

x=A(x+3)+B(x−2)x=A(x+3)+B(x-2)

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