4+2xy-3x2y और -5xy+x2y-2xy2 के योग में से 6x2y-9xy2+3xy-5 घटायें।

  • 1

    8x2y-7xy2+6xy-9

  • 2

    x2y-6xy-8

  • 3

    -8x2y+7x2-6xy+9

  • 4

    xy2+15xy

Answer:- 3

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