यदि x=a (sin𝛉+cos𝛉), y=b (sin𝛉-cos𝛉) हो, तो 𝒙𝟐/𝒂𝟐 +𝒚𝟐/𝒃𝟐 का मान क्या होगा ?

  • 1

    0

  • 2

    1

  • 3

    2

  • 4

    -2

Answer:- 3

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