Question 1173087
how to derive compound interest formula {{{A= P(1+ r/n)^(nt)}}} 
{{{P(1+ r/n)^(nt) = A}}}
divide both sides by P
{{{(1+ r/n)^(nt) = A/P}}}
multiply the exponent by it's reciprocal, gets rid of the one on the left
{{{1+ r/n = (A/P)^(1/(nt))}}}
subtract 1 from both sides
{{{ r/n = (A/P)^(1/(nt))-1}}}
multiply both sides by n
{{{ r = n((A/P)^(1/(nt))-1)}}}