C-11-Q047: From $a:b = c:d$, by combining alternendo and invertendo we obtain—

C-11-Q047: From $a:b = c:d$, by combining alternendo and invertendo we obtain— | প্রশ্ন করি

From a:b=c:da:b = c:da:b=c:d, by combining alternendo and invertendo we obtain—