using sutibale idenity evaluate 99²
Answers
Answered by
0
Answer:
use a-bwhole square
Step-by-step explanation:
100/1
(100-1)whole square
Answered by
0
Step-by-step explanation:
99²
(100-1)²
indentity use
(a-b)²=a²-2ab+b²
100²-2(100)(1)+1²
10000-200+1
9801
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