111square-89square
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111² - 89² = A² - B² = (A+B)(A-B). Let A = 111. & B = 89.
= (111+89)*(111-89)
= 200 * 22
= 4400. Answer......................
= (111+89)*(111-89)
= 200 * 22
= 4400. Answer......................
Answered by
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111square-89square
= 111²-89²
=12321 - 7921
=4400
= 111²-89²
=12321 - 7921
=4400
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