a) [ (2/5)^ -3 - (3/4)^ -2 ]^ -2
d) x^ -2 * x^ - 3/2
a) (2/5)^-3-(3/4)^-2-2= (5/2)^3-(4/3)^2-2 = 125/8 -16/9 -2= ( 9*125-16*8-72*2)/72= (1125+128+144)/72= 1397/72
b) x^-2*x^-3/2 = (1/x)^2 * (!/X)^3/2 = 1/x^2 *3 stopnia√1/x^2
rozwiazanie w zalaczniku
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a) (2/5)^-3-(3/4)^-2-2= (5/2)^3-(4/3)^2-2 = 125/8 -16/9 -2= ( 9*125-16*8-72*2)/72= (1125+128+144)/72= 1397/72
b) x^-2*x^-3/2 = (1/x)^2 * (!/X)^3/2 = 1/x^2 *3 stopnia√1/x^2
rozwiazanie w zalaczniku