SOLUTION: How does this: {{{ln(x-y)/((1/t)-(1/T))}}} become this: {{{ -(t T log(x-y))/(t-T)}}} through algebraic manipulation? Thanks

Question 852560: How does this:
become this:
through algebraic manipulation? Thanks
Found 2 solutions by Alan3354, ewatrrr:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Multiply the NUM and DEN by t*T, then by -1
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
= (-ln(x-y)/(t-T))/(tT)= -(t* T log(x-y)/(t-T)
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