Question 541271
{{{ ln(10) + ln(x^2) = 10 }}}
{{{ ln(10*x^2) = 10 }}}
On my calculator, I want to
solve {{{ x = e^10 }}} because
{{{ 10 = ln(x) }}}
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{{{ e^10 = 22026.466 }}}
Now I can say
{{{ ln( 10x^2) = ln( 22026.466) }}}
{{{ 10x^2 = 22026.466 }}}
{{{ x^2 = 2202.647 }}}
{{{ x = 46.932 }}}
and
{{{ x = -46.932 }}}
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check answer:
{{{ ln(10) + ln(46.932^2) = 10 }}}
{{{ ln(10) + ln(x^2) = 10 }}}
{{{ ln(10) + ln(2202.613) = 10 }}}
{{{ 2.303 + 7.697 = 10 }}}
{{{ 10.0004 = 10 }}}
close enough