ધારો કે $n$ એક એકી પૂર્ણાંક છે. જો દરેક $\theta$ માટે $\sin n\theta = \sum\limits_{r = 0}^n {{b_r}{{\sin }^r}\theta } $ હોય,તો

  • A
    $b_0 = 1, b_1 = 3$
  • B
    $b_0 = 0, b_1 = n$
  • C
    $b_0 = -1, b_1 = n$
  • D
    $b_0 = 0, b_1 = n^2 - 3n + 3$

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