Evaluate each of the following using suitable
A identities :) (103)2 ( (99) 3
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Step-by-step explanation:
(103)² = (100+3)²
(a+b)² = a²+ b²+ 2ab
= 100²+3²+2*100*3
= 10000 + 9 + 600
= 10,609
(99)³ = (100-1)³
(a-b)³ = a³- b³ - 3ab(a-b)
= 100³ - 1³ - 3 * 100*1(100-1)
= 1000000 -1 - 300(99)
= 1000000-1 - 29700
= 10,29,699
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