1.

If a = 2, b = 3 find the value of ab + ba

Answer»

Given a = 2, b = 3 

ab + ba = 23 + 32 

= (2 × 2 × 2) + (3 × 3). 

= 8 + 9 = 17 

Therefore, if a = 2, b = 3 

then ab + ba = 17



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