Question: n(n+1) Let P (n) be the statement that 1+2+3++ n = where the domain 2 of discourse is the natural numbers 1,2,3,... a) Without

n(n+1) Let P (n) be the statement that "1+2+3++ n = where

n(n+1) Let P (n) be the statement that "1+2+3++ n = where the domain 2 of discourse is the natural numbers 1,2,3,... a) Without using an ellipsis (the ... creature) write down P (5). b) Using summation notation write down P(j) for an arbitrary natural number j. c) Using summation notation write down P(k) for an arbitrary natural number k. d) Repeat part b using an ellipsis instead of summation notation. e) Repeat part c using an ellipsis instead of summation notation.

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a Without ellipses P5 can be written as P5 1 2 3 4 5 b Usin... View full answer

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