Question:a, b, c, ক্রমিক সমানুপাতী হলে,  `(a^2 + b^2)/(b^2 + c^2)`= কত? 

A ac 
B `a/c` 
C `c/a` 
D a + c 

+ Answer
B 

+ Explanation
`(a^2 + ac)/(ac + c^2) = (a(a + c))/(c(a + c)) = a/c`

+ Report

Irin Moni

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