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**coolio** Hi all,

These have been giving me some trouble:

1. Use series to approximate the definite integral to within 3 decimal places

The integral from 0 to 1 : xcos(x^3) dx

2. Approximate f by a Taylor polynomial with degree n at the number a. Then use Taylor's inequality to estimate the accuracy of the approximation f(x) is approximately equal to Tn(x) when x lies in the given interval.

a. f(x)= sqrt(x), a=4, n=2, 4 < or equal to x < or equal to 4.2

b. f(x)= e^(x^2), a=0, n=3, 0 < or equal to x < or equal to 0.1

Thanks a lot for any help

-coolio