Evaluate product without multiplying directly of 102*98
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102*98
( 100 + 2 ) ( 100 - 2 )
Identity :- ( a + b ) ( a - b ) = a^2 - b^2
( 100 + 2 ) ( 100 - 2 )
here a = 100 , and b = 2
100^2 - 2^2
10000-4
9996
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the given solution is above
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