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Expansionif a²+b²=13and ab =6, find a+b;a-b;a²-b²; 3(a+b)-2(a-b)² |
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Answer» Step-by-step EXPLANATION: if a2+b²=13 and ab=6 a+b,a-b,a²-b²,3(a-b)² Ans.= 9 |
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