Whai is Formula of a²+b²
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(a+b)^2-2ab here is ur answer
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formula of a²+b² = ( a+b ) ² - 2ab
or it can be ( a - b )² + 2ab
=> it can be proved
=> ( a+b ) ² - 2ab
=> a² + b² + 2ab - 2ab
=> a²+ b²
and ( a-b ) ² + 2ab
=> a²+b²-2ab+2ab
=> a²+b²
hope this helps
or it can be ( a - b )² + 2ab
=> it can be proved
=> ( a+b ) ² - 2ab
=> a² + b² + 2ab - 2ab
=> a²+ b²
and ( a-b ) ² + 2ab
=> a²+b²-2ab+2ab
=> a²+b²
hope this helps
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