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If x^2+ y^2=13 and xy=6, find x-y |
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Answer» Answer: 1 Step-by-step EXPLANATION: We KNOW, (x-y)^2= x^2+y^2-2xy =>x-y=√x^2+y^2-2xy =√13-2×6 =√13-12 =√1=1 |
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