The value of is approximately

MATHEMATICS · Subjective · AP · Calculus BC · Infinite Sequences and Series · Infinite Sequences and Series

Problem

The value of e0.3e^{0.3} is approximately 1.3498581.349858. (a) Compute the absolute error when e0.3e^{0.3} is approximated by the second-degree Maclaurin polynomial P2(x)=1+x+x22P_{2}(x)=1+x+\dfrac{x^{2}}{2}. (b) Compute the absolute error when e0.3e^{0.3} is approximated by the fourth-degree Maclaurin polynomial P4(x)=1+x+x22+x36+x424P_{4}(x)=1+x+\dfrac{x^{2}}{2}+\dfrac{x^{3}}{6}+\dfrac{x^{4}}{24}. State which polynomial gives the more accurate approximation.

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