Evalute÷ (1) 103² (2) 77x83 (3) (99)³ (4) (198)²
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Answer:
(1) 103^2
= (100+3) ^2
[ (a+b) ^2=a^2+b^2+2ab]
= 100^2+3^2+2(100) (3)
= 10000+9+600
= 10609
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