SOLUTION: roots of 2^x + 12(2)^-x = 7
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Question 934270: roots of 2^x + 12(2)^-x = 7
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Multiply both sides by
Let
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By my calculator:
and
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The roots are ,
check:
OK
and, also
OK
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