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log x^4 = 3 + 2 log x

The answer is x = 10 ^3/2

2007-05-02 03:21:14 · 1 answers · asked by Lucky 3 in Education & Reference Homework Help

1 answers

log x^4 = 3 + 2 log x

log x^4 - 2 log x = 3

Since logarjthm subtraction suggests division of the original numbers and the anti-log of 3 is 1000

(x^4)/(x^2) = 1000 =10^3

x^2 = 10^3

Therefore

x = 10^(3/2)
.

2007-05-02 05:05:37 · answer #1 · answered by Robert L 7 · 0 0

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