Monday 8 February 2016

EXPONENTIAL EQUATIONS - 1


If a2 = 15; find the value of a4.

Solution

a4 = (a2)2.

a4 = (15)2.   [ since a2 = 15]

a4 = 15 x 15

a4 = 225   answer


TRY THIS.........................


NECTA FORM II - 2012 QN. 8


If a2 = 12; find the value of a4.

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