展开 (dt)/((t^2-1)^2)

解答

展开

\frac{d t}{( t ^{2} - 1 ) ^{2}}

\frac{d t}{t ^{4} - 2 t ^{2} + 1}

求解步骤

\frac{d t}{( t ^{2} - 1 ) ^{2}}

(t^{2} - 1)^{2} = t^{4} - 2 t^{2} + 1

= \frac{d t}{t ^{4} - 2 t ^{2} + 1}

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