C-11-Q017: In proportion $a:b = c:d$, the product of extremes equals the product …

C-11-Q017: In proportion $a:b = c:d$, the product of extremes equals the product … | প্রশ্ন করি

In proportion a:b=c:da:b = c:da:b=c:d, the product of extremes equals the product of—