SOLUTION: If 4^(x-1)=9, find the values of 2^x and 8^-x

SOLUTION: If 4^(x-1)=9, find the values of 2^x and 8^-x

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Question 1054651: If 4^(x-1)=9, find the values of 2^x and 8^-x
Answer by ikleyn(52790) (Show Source): You can put this solution on YOUR website!
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If 4^(x-1)=9, find the values of 2^x and 8^-x
~~~~~~~~~~~~~~~~~~~~~~~~~

If  = 9,  then   = 9.


Then  = 36,  or   = 36,   or   = 36.


Then  =   and,  hence,   = 6.


Having this, we can write  =  =  =  = .

All questions are answered.

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