04-27-2016, 08:57 PM
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#8
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FFR Veteran
Join Date: Oct 2008
Location: Canada
Posts: 448
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Re: Indices, Exponential and Logarithmic Equations
yeah, flipping negative indices in a fraction is good, they'll usually cancel some term out or combine with something, and make the expression smaller/easier to work with
numbers in front always imply multiplication, like 4x^2, 3 sin x, so for the fifth one you calculate
2*log4 16 = 2*2 = 4
bringing the number in works too but the numbers get messy for something like 10 log3 27
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