1.

Simplify:(2√5 + 3√2)2

Answer»

(2√5 + 3√2)2 

= (2√5)2 + (3√2)2 + 2(2√5)(3√2) [(a + b)2 = a2 + b2 + 2ab]

= 20 + 18 + 12√10 

= 38 + 12√10



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