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b^2 - 2*a*b %2B b^2 - a*b %2B a^2 %2B b^2 |
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Answer» = (a²+b²–ab+b²–2ab+b²) = a²+b²–ab+b²–2ab+b²= a²+3b²–3ab= a²+3b(b–a) answer...... |
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