Question 1005481
{{{ -2*ln(x) - 5*ln(y) + (1/5)*ln(z) }}}
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Use the rule:
{{{ ln( a^b ) = b*ln(a) }}}
except in reverse
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{{{ -ln( x^2 ) - ln( y^5 ) + ln( z^(1/5) ) }}}
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Use the rules:
{{{ ln(a) - ln(b) = ln(a/b) }}}
and
{{{ ln(a) + ln(b) = ln( a*b ) }}}
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{{{ ln( z^(1/5) / ( x^2*y^5 ) ) }}}