I. 4x2-11x-15=0          II. 8Y2-2Y-6=0

  • If x < y
  • If x ≤ y
  • If x > y
  • If x ≥ y
  • If x = y or if none of the above relationship is established
  • Explanation:

    I.

    4x2-11x-15=0

    4x2+4x-15x-15=0

    4x(x+1)-15(x+1)=0

    (x+1)(4x-15)=0

    x=-1, 15/4

    II.

    8y2-2y-6=0

    8y2-8y+6y-6 =0

    8y(y-1)+6(y-1)=0

    (y-1)(8y+6)=0

    y=1,-3/4

    ∴ Relationship between x and y cannot be established.

I. 4x2-11x-15=0          II. 8Y2-2Y-6=0
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