Question 1116195
find the value of x in each of the following 
(a) log x 1/125 = -3
(b) 2log3 x + 1/2 log3 16= log6 36
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(a) {{{log(x,1/125) = -3}}}
{{{log(x,1/5^3) = -3}}}
{{{log(x,5^-3) = -3}}}
x = 5
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(b) {{{2log(3,x) + (1/2)log(3,16) = log(6,36)}}}
{{{2log(3,x) + (1/2)log(3,16) = 2}}}
{{{log(3,x^2) + log(3,4) = 2 = log(3,9)}}}
{{{log(3,4x^2) = log(3,9)}}}
4x^2 = 9
x^2 = 9/4
x = 3/2