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Maths-

If the equation cot to the power of 4 space x minus 2 cos space e c squared x plus a squared =0 has at least one solution, then the sum of all possible integral values of 'a' is equal to

Maths-General

  1. 3
  2. 4
  3. 0
  4. 2

    Answer:The correct answer is: 0

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