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The Taylor series expansion of $3\sin x + 2 \cos x$ is

  1. $2 + 3x-x^{2}  – \frac{x^{3}}{2} + \dots$
  2. $2 –  3x + x^{2}  – \frac{x^{3}}{2} + \dots$
  3. $2 + 3x  + x^{2}  + \frac{x^{3}}{2} + \dots$
  4. $2  – 3x –  x^{2}   +  \frac{x^{3}}{2} + \dots$
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