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Expalin each of the following using suitable identities |
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Answer» BONJOUR !!!❤❤ Identity to be used : ( a + b + c )² = a² + b² + c² + 2ab + 2bc + 2CA => ( -2A + 5b - 3C )² => ( -2a )² + ( 5b )² + ( -3c )² - 2( 2a )( 5b ) - 2( 5b )( 3c ) + 2( 3c )( 2a ) => 4a² + 25b² + 9c² - 20ab - 30bc + 12ca Hope it helps......✌✌ |
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