mmn6162 mmn6162

22-04-2018
Mathematics

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Given that 7^2=12^x, evaluate 12^2x

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CastleRook CastleRook

02-05-2018

7^2=12^x
this implies that:
ln7^2=ln 12^x
2ln 7=x ln 12
x=(2 ln 7)/ln12
thus
12^2x=12^[2((2 ln 7)/ln12)]
=2401
Answer: 2401

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