Zapisz w prostszej postaci:
3 log 2 - log 4
Oblicz:
( (2⅓)⁻¹ - 7⁻² ) ⁻¹/²
[Po nawiasie jest 'do potęgi minus jedna druga'.]
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Zapisz w prostszej postaci:
3 log 2 - log 4=log 8-log 4=log 2
Oblicz:
( (2⅓)⁻¹ - 7⁻² ) ⁻¹/²=(2/5-1/49)^(-1/2)=(98/245-5/245)^(-1/2)=(93/245)^(-1/2)=√245/93