13) Use the Ratio Test to determine convergence or divergence n! 2-1- η7η 14) Use the Root Test to determine convergence or divergence: Σ071 n+11n 2n+1 CHALLENGE: 1) Find the sum of the convergent telescoping series: Σ001 11) Find the sum of the convergent geometric series: Σ001 III) Find the sum Use geometric series to write 1.2 as the ratio of two integers n2+4n43 (-. Sn+1