ગુણાકાર $(1+\tan 1^{\circ})(1+\tan 2^{\circ})(1+\tan 3^{\circ}) \dots (1+\tan 45^{\circ})$ બરાબર શું થાય?

  • A
    $2^{21}$
  • B
    $2^{22}$
  • C
    $2^{23}$
  • D
    $2^{25}$

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