Multiple choice

The Taylor series expansion of 3 sinx + 2 cos x is

  1. 2 + 3x – x2$\frac{x^3}{2}$ + ………
  2. 2 – 3x + x2$\frac{x^3}{2}$ + ………
  3. 2 + 3x + x2 + $\frac{x^3}{2}$ + ………
  4. 2 + 3x – x2 + $\frac{x^3}{2}$ + ………
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A Correct answer
Explanation