Resolver (2/3)^{-4}*(2/3)^{-3}*(-3/2)^-5+8[(2-1/4)frac{1}{7}-frac{3}{4}]+[(-frac{3}{2})^2*(frac{1}{3})^2]^-1

$$( \frac { 2 } { 3 } ) ^ { - 4 } \cdot ( \frac { 2 } { 3 } ) ^ { - 3 } \cdot ( - \frac { 3 } { 2 } ) ^ { - 5 } + 8 [ ( 2 - \frac { 1 } { 4 } ) \frac { 1 } { 7 } - \frac { 3 } { 4 } ] + [ ( - \frac { 3 } { 2 } ) ^ { 2 } \cdot ( \frac { 1 } { 3 } ) ^ { 2 } ] ^ { - 1 }$$

Calcular

$$-\frac{9}{4}=-2.25$$

Pasos da solución

Para multiplicar potencias da mesma base, suma os seus expoñentes. Suma -4 e -3 para obter -7.

$$\left(\frac{2}{3}\right)^{-7}\left(-\frac{3}{2}\right)^{-5}+8\left(\left(2-\frac{1}{4}\right)\times \frac{1}{7}-\frac{3}{4}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}$$

Calcula \frac{2}{3} á potencia de -7 e obtén \frac{2187}{128}.

$$\frac{2187}{128}\left(-\frac{3}{2}\right)^{-5}+8\left(\left(2-\frac{1}{4}\right)\times \frac{1}{7}-\frac{3}{4}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}$$

Calcula -\frac{3}{2} á potencia de -5 e obtén -\frac{32}{243}.

$$\frac{2187}{128}\left(-\frac{32}{243}\right)+8\left(\left(2-\frac{1}{4}\right)\times \frac{1}{7}-\frac{3}{4}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}$$

Multiplica \frac{2187}{128} e -\frac{32}{243} para obter -\frac{9}{4}.

$$-\frac{9}{4}+8\left(\left(2-\frac{1}{4}\right)\times \frac{1}{7}-\frac{3}{4}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}$$

Resta \frac{1}{4} de 2 para obter \frac{7}{4}.

$$-\frac{9}{4}+8\left(\frac{7}{4}\times \frac{1}{7}-\frac{3}{4}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}$$

Multiplica \frac{7}{4} e \frac{1}{7} para obter \frac{1}{4}.

$$-\frac{9}{4}+8\left(\frac{1}{4}-\frac{3}{4}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}$$

Resta \frac{3}{4} de \frac{1}{4} para obter -\frac{1}{2}.

$$-\frac{9}{4}+8\left(-\frac{1}{2}\right)+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}$$

Multiplica 8 e -\frac{1}{2} para obter -4.

$$-\frac{9}{4}-4+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}$$

Resta 4 de -\frac{9}{4} para obter -\frac{25}{4}.

$$-\frac{25}{4}+\left(\left(-\frac{3}{2}\right)^{2}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}$$

Calcula -\frac{3}{2} á potencia de 2 e obtén \frac{9}{4}.

$$-\frac{25}{4}+\left(\frac{9}{4}\times \left(\frac{1}{3}\right)^{2}\right)^{-1}$$

Calcula \frac{1}{3} á potencia de 2 e obtén \frac{1}{9}.

$$-\frac{25}{4}+\left(\frac{9}{4}\times \frac{1}{9}\right)^{-1}$$

Multiplica \frac{9}{4} e \frac{1}{9} para obter \frac{1}{4}.

$$-\frac{25}{4}+\left(\frac{1}{4}\right)^{-1}$$

Calcula \frac{1}{4} á potencia de -1 e obtén 4.

$$-\frac{25}{4}+4$$

Suma -\frac{25}{4} e 4 para obter -\frac{9}{4}.

$$-\frac{9}{4}$$

Factorizar

$$-\frac{9}{4} = -2\frac{1}{4} = -2.25$$