evaluate 62² - 38² please find this as fast as possible
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Step-by-step explanation:
(101)² =(100+1)²
(101)² =(100+1)²
(101)² =(100+1)² Using (a+b)² =a² +b² +2ab
(101)² =(100+1)² Using (a+b)² =a² +b² +2ab(100+1)² =100²
(101)² =(100+1)² Using (a+b)² =a² +b² +2ab(100+1)² =100² +1 x2
(101)² =(100+1)² Using (a+b)² =a² +b² +2ab(100+1)² =100² +1 x2 +2×100×1
(101)² =(100+1)² Using (a+b)² =a² +b² +2ab(100+1)² =100² +1 x2 +2×100×1=10000+1+200
(101)² =(100+1)² Using (a+b)² =a² +b² +2ab(100+1)² =100² +1 x2 +2×100×1=10000+1+200=10000+201
(101)² =(100+1)² Using (a+b)² =a² +b² +2ab(100+1)² =100² +1 x2 +2×100×1=10000+1+200=10000+201=10201.
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