展开 1/((t+1)^2)

解答

展开

\frac{1}{( t + 1 ) ^{2}}

\frac{1}{t ^{2} + 2 t + 1}

求解步骤

\frac{1}{( t + 1 ) ^{2}}

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

= \frac{1}{t ^{2} + 2 t + 1}

e x p an d 24 (\frac{4}{5} x - \frac{3}{5} y) (\frac{3}{5} x + \frac{4}{5} y)

s im pl i f y \frac{1}{( s - i ) ^{3}} + \frac{1}{( s + i ) ^{3}}

e x p an d \frac{1}{( s + 5 ) ( s - 4 )}

e x p an d (4 x^{3} + 5) \cdot (x^{4} + 5 x)^{\frac{1}{2}}

e x p an d ((X - 4) X - 1) \cdot (53 + 5 X - 1)