ajudeeeeem aí galera pf
a) -2(3/2)³+1^15-(-2)¹
b) [(-5/3)^-¹+(5/2)^-¹]^-¹
Soluções para a tarefa
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1
A)
B)
![=[(-5/3)^{-1}+(5/2)^{-1}]^{-1} \\
=(-3/5+2/5)^{-1} \\
=(-1/5)^{-1}\\
=-5/1\\
=-5](https://tex.z-dn.net/?f=%3D%5B%28-5%2F3%29%5E%7B-1%7D%2B%285%2F2%29%5E%7B-1%7D%5D%5E%7B-1%7D+%5C%5C%0A%3D%28-3%2F5%2B2%2F5%29%5E%7B-1%7D+%5C%5C%0A%3D%28-1%2F5%29%5E%7B-1%7D%5C%5C%0A%3D-5%2F1%5C%5C%0A%3D-5 "=[(-5/3)^{-1}+(5/2)^{-1}]^{-1} \\
=(-3/5+2/5)^{-1} \\
=(-1/5)^{-1}\\
=-5/1\\
=-5")
B)
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