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17/2 la puterea a 3*3*7-1/2 la puterea 2a*3 la puterea 2


Răspuns :

[tex] {((\frac{7}{2})^{63- \frac{1}{2} }})^{4a*6} = {(\frac{7}{2})^{\frac{125}{2}* (4a-6) }} = {(\frac{7}{2})^ {\frac{500a}{2}- \frac{750}{2}} = {(\frac{7}{2}) ^ {250a-375} [/tex]