1 n2+4' I: 5) For the series 2 n=l (a) Find the partial sum S\"). (b) Find an upper and lower bound for the error Rm. (c) Find an upper and lower bound for the sum 5'. Use the midpoint of the interval of the upper and lower bound found to get a better estimate of 5'. What's the maximum error for this new estimate of s? I: 5 5) For the series 2 m, n n=l (a) Find the partial sum Sm. (b) Find an upper and lower bound for the error Rm. (c) Find an upper and lower bound for the sum 5'. Use the midpoint of the interval of the upper and lower bound found to get a better estimate of 5'. What's the maximum error for this new estimate of s