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Extra Credit (2pts): You must show all work to earn credit. No credit will be given without supporting work. We know that we can use sigma notation for large/infinite sums. For large/infinite products we use "Pi 5 notation". For example, (i+1) =(1+1) .(2+1) (3+1) (4+1) -(5+1) - 720. Show that: 1-1 fin ( * + 1) dx lim |: 1+ 2 - e- n