Find the derivative of y = sin(xe^x) with respect to x.

Source: JAMB · 2024

Find the derivative of y = sin(xe^x) with respect to x.

  1. dy/dx = cos(xe^x)(e^x + xe^x) ✓
  2. dy/dx = -cosec(xe^x)(e^x + xe^x)
  3. dy/dx = cos(xe^x)(xe^x)
  4. dy/dx = sec(xe^x)(e^x + xe^x)
Explanation

Depreciation (weaker currency): exports cheaper (more competitive), imports more expensive (encourages local production but raises input costs). Inflation may rise. Good for exporters, bad for importers.

Appreciation (stronger currency): exports more expensive (less competitive), imports cheaper (lower inflation, cheaper inputs). Good for consumers buying imports, bad for export industries.

Naira depreciation affects: fuel prices (imported), imported goods costs, foreign debt burden (pay more naira per dollar). Exchange rate stability important for business planning.

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