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Question: Answered & Verified by Expert
Let $\mathrm{f}(\mathrm{x})$ be a function such that $\mathrm{f}^{\prime}\left(\frac{1}{\mathrm{x}}\right)+\mathrm{x}^{3} \mathrm{f}^{\prime}(\mathrm{x})=0$, What is
$\int_{-1}^{1} \mathrm{f}(\mathrm{x}) \mathrm{dx}$ equal to? $\quad$
MathematicsDifferential EquationsNDANDA 2016 (Phase 2)
Options:
  • A $2 \mathrm{f}(1)$
  • B 0
  • C $2 \mathrm{f}(-1)$
  • D $4 \mathrm{f}(1)$
Solution:
2324 Upvotes Verified Answer
The correct answer is: $2 \mathrm{f}(-1)$
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