For part a. n/4n-1. In the answer key where it says n+1/4n+3 where did the 3 come from here? Use a -a, to show that the given sequence {a,} is strictly increasing or strictly decreasing. a) 4n -1 b)...

For part a. n/4n-1. In the answer key where it says n+1/4n+3 where did the 3 come from here?

Extracted text: Use a -a, to show that the given sequence {a,} is strictly increasing or strictly decreasing. a) 4n -1 b) {n=2"}, n=1 n=1 8. 8.


Extracted text: 4. Use a,-a, to show that the given sequence {a, is strictly increasing or strictly decreasin a) 4n-1 b) {n-2"}. 1. n+1 <0 for="" n="" 2="" 1,="" so="" strictly="" decteasing.="" 4n="" +="" 3="" (4n="" 114n="" +3)="" ant1-an-="" (n+1-="" 2+)-="" (2-2"-1-2"0="" for="" n21,="" so="" strictly="">