Wednesday, 5 April 2017

EXPONENTS 1


Simplify (2a)2 + 8a2.   

Solution

= (2a)2 + 8a2    

= 22.a2 + 8a2              Since (mn)2 =m2 . n2

= 4a2 + 8a2

= 12a2

TRY THIS………………


Simplify (9a)2 + 9a2.   

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