Question Number 65314 by Tony Lin last updated on 28/Jul/19
Commented by Tony Lin last updated on 28/Jul/19
$${prove}\:{that}\:\frac{\mathrm{1}}{{GM}}−\frac{\mathrm{1}}{{HM}}=\frac{\mathrm{1}}{{AM}}−\frac{\mathrm{1}}{{BM}} \\ $$
Question-65314