展开 (-acx^2+b)/((cx^2+16)^2)

解答

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\frac{- a c x ^{2} + b}{( c x ^{2} + 16 ) ^{2}}

\frac{- a c x ^{2} + b}{c ^{2} x ^{4} + 32 c x ^{2} + 256}

求解步骤

\frac{- a c x ^{2} + b}{( c x ^{2} + 16 ) ^{2}}

(c x^{2} + 16)^{2} = c^{2} x^{4} + 32 c x^{2} + 256

= \frac{- a c x ^{2} + b}{c ^{2} x ^{4} + 32 c x ^{2} + 256}

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