Solve using identity 103 * 98.
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Hi ,
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We know the algebraic identity
( x + a ) ( x + b ) = x² + ( a + b ) x + ab
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103 × 98
= ( 100 + 3 ) [ 100 + ( - 2 ) ]
= ( 100 )² + [ 3 + ( - 2 ) ] × 100 + 3 ( - 2 )
= 10000 + 100 - 6
= 10000 + 94
= 10094
I hope this helps you.
:)
princess11166:
perfect answer
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