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# Prove Without Using Logarithms

I would like to see a solution to

$$12^{\frac{1-a-b}{1-b}}$$

when $$60^{a}=3$$ and $$60^{b}=5$$

I wonder if it's possible to prove without using logarithms.

Note: this problem comes from Mcgraw-Hill Ryerson Mathematics 11 textbook.

Note by Joseph Wilson
2 months, 1 week ago

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What have you tried? Staff · 2 months ago

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