यदि $\tan A+\tan B+\cot A+\cot B=\tan A \tan B-\cot A \cot B$ और $0^{\circ} < A+B < 270^{\circ}$ है,तो $A+B=$ ($^{\circ}$ में)

  • A
    $45$
  • B
    $135$
  • C
    $150$
  • D
    $225$

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