Evaluate using suitable identity:
14.7 X 15.3
14.7 = 15 - 0.3 and 15.3 = 15 + 0.3
(a-b)(a+b) = a2-b2 therefore (15-0.3)(15+0.3) = 152- (0.3)2= 225 - 0.09 = 224.91
Evaluate using suitable identity:
14.7 X 15.3
14.7 = 15 - 0.3 and 15.3 = 15 + 0.3
(a-b)(a+b) = a2-b2 therefore (15-0.3)(15+0.3) = 152- (0.3)2= 225 - 0.09 = 224.91