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7 March, 11:11

For what value of b does (1/12) ^-2b times 12^-2b+2=12?

-1/2

-1/4

1/4

no solution

+4
Answers (2)
  1. 7 March, 11:27
    0
    Always remember

    Step-by-step explanation:x^-m=1/x^m

    1/12=12^-1

    also

    (x^m) ^n=x^ (mn)

    also (x^m) (x^n) = x^ (m+n)

    (/frac{1}{12}) ^{-2b} (12) ^{-2b+2}=12

    (12^{-1}) ^{-2b} (12) ^{-2b+2}=12

    (12^{2b}) (12) ^{-2b+2}=12

    12^{2b-2b+2}=12

    12²=12

    so no solution
  2. 7 March, 11:33
    0
    I think you answer is no solution
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