Wyznacz ze wzoru a: 1/x=1/a+1/b Proszę o pomoc!!!! Szybko!!!!!
1/x=1/a+1/b /*a*b*x
ab=bx + ax
ab-ax=bx
a(b-x)=bx /: (b-x)
a=bx/(b-x)
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1/x=1/a+1/b /*a*b*x
ab=bx + ax
ab-ax=bx
a(b-x)=bx /: (b-x)
a=bx/(b-x)