Wiedząc, ze A do potęgi 3 = 7 oblicz :
___
VA do potęgi 15 * a
_______________
A do potegi 4
__
V === pierwiastek
____________ == kreska ułamkowa
DAM NAJ PROSZ POMOCY !!
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(√a)¹⁵×a/a⁴=7√a×a/a⁴=7√a×a⁻³=7√a×1/7=√a