Question

Find 525² - 475² using suitable identity

Answer 1

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Answer 2

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We have identity ,

$( {a}^{2} - {b}^{2} ) = (a + b)(a - b)$

$putting \: the \: value \: of \: a = 525 \: and \: b = 475$

$then$

${525}^{2} - {475}^{2} = (525 + 475)(525 - 475)$

$275625 - 225625 = (1000)(50)$

$50000 = 50000$