I. x2=144;

    II. y2-24y+144=0

  • x ≤ y
  • x ≥ y
  • Relationship between x and y cannot be established
  • x < y
  • x > y
  • Explanation:

    I. x2=144

    ⇒           x=√144=± 12

    II. y2-24y+144=0

    ⇒ y2-12y-12y+144=0

    ⇒ y(y-12)-12(y-12)=0

    ⇒ (y-12)(y-12)=0

    ⇒            y=12

    ∴             x ≤ y


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I. x2=144; II. y2-24y+144=0
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