यदि (135√5  x3- 2√2  y3 ) ÷ (3√5  x- √2  y) = Ax2 + By2 + √10Cxy, तो (A +B – 9C) का मान है -

  • 1

    18

  • 2

    12

  • 3

    10

  • 4

    20

Answer:- 4

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