Question:`a^2/(a + b)` `b^2/(a + b)` 

A a + b 
B a - b 
C `1/(a + b)` 
D `1/(a - b)` 

+ Answer
B 

+ Explanation
`a^2/(a + b) - b^2/(a + b)`

    `= (a^2 - b^2)/(a + b)`

   `= ((a + b) (a - b))/(a + b)`

   `= a - b`

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Irin Moni

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