कथन $(A)$: यदि $I_n = \int \cot^n x \, dx$ है,तो $I_6 + I_4 = \frac{-\cot^5 x}{5}$ होगा।
कारण $(R)$: $\int \cot^n x \, dx = \frac{-\cot^{n-1} x}{n-1} - \int \cot^{n-2} x \, dx$.

  • A
    $A$ गलत है,$R$ गलत है
  • B
    $A$ सही है,$R$ सही है
  • C
    $A$ सही है,$R$ गलत है
  • D
    $A$ गलत है,$R$ सही है

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