Wednesday, 5 April 2017

EXPONENTS 2


Simplify (7a)2 + 3a2.   

Solution

= (7a)2 + 3a2    

= 72.a2 + 3a2              Since (mn)2 =m2 . n2

= 49a2 + 3a2

= 52a2

TRY THIS………………


Simplify (8a)2 + 7a2.   

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