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anonymous
 4 years ago
solve: log(underscore:x)9 = 1/2
anonymous
 4 years ago
solve: log(underscore:x)9 = 1/2

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0_ <underscore (shift + minus sign)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0anyway... \[\log_x 9 = \frac 12\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[\log_x 9 = \frac 12\] first step is to change it into exponential form \[x^{1/2} = 9\] do you agree with this form

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0good. so we need x. you have x^1/2 what do you think you should do to make that x^1/2 into just x^1?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0could you log both sides, and bring down the 1/2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0here's a hint \[\LARGE (a^3)^{1/3} = a^{3/3} = a^1 = a\] \[\LARGE (a^2)^{1/2} = a^{2/2} = a^1 = a\] \[\LARGE (a^{1/3})^3 = a^{3/3} = a^1 = a\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0oh, do you square both sides?
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