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Mathematics, 01.09.2021 16:30 rikac72791

If A=x² +xy-6, B=6xy-2x² +1 and C= 3x² +7 -3xy, find :(i) A+B+C​ (ii)A-B+C (iii)A+B-C​

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If A=x² +xy-6, B=6xy-2x² +1 and C= 3x² +7 -3xy, find :(i) A+B+C​ (ii)A-B+C (iii)A+B-C​...
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