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#14101 Bangla Language & Literature মান নির্ণয় Level 0

<p>The set of points defined by the equation&nbsp;x<sup>2</sup> + y<sup>2</sup> + z<sup>2</sup> =4 is ---</p>

  1. A a circle
  2. B a line
  3. C a point
  4. D sphere
Answer: D - sphere

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