a 2 b 11 c 22 d 121 i ii..., বীজগণিতীয় অনুপাত ও সমানুপাত, গণিত

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Question:a = 2, b = 11; c = 22 d = 121

   i. `(a + b)/(a - b) = (c + d)/(c - d)`

   ii. `a/(a - b) = c/(c - d)`

   iii. `(a + b)/b = (c - d)/d`

     নিচের কোনটি সঠিক?

A i ও ii 
B i ও iii 
C ii ও iii 
D i, i ও iii

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+ AnswerA

+ Explanationসঠিক নয়; `(a + b)/b = (2 + 11)/(11) `

   `= (13)/(11); (c - d)/d = (22 - 121)/(121) = (-99)/(12)`

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Question:a = 2, b = 11; c = 22 d = 121 i. `(a + b)/(a - b) = (c + d)/(c - d)` ii. `a/(a - b) = c/(c - d)` iii. `(a + b)/b = (c - d)/d` নিচের কোনটি সঠিক?

A i ও ii

B i ও iii

C ii ও iii

D i, i ও iii

A