Question:`x/a+y/b=2...............(i)` `ax+by=a^2+b^2...............(ii)` (i) নং সমীকরণের সরলমান নিচের কোনটি ? 

A `bx+ay=2ab` 

B `ax+by=2ab` 

C `bx+ay=a^2+b^2` 

D `bx+ay-2ab=0` 

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