2. Using only the Important Sums from the course notes, find the num- ber n in...

Transcribed Image Text:

2. Using only the "Important Sums" from the course notes, find the num- ber n in each case that makes the following statements true. Show all working and justify your answer. n (2) = 78 j=1 (b) 2+4+6+8+ +2n = 42 2. Using only the "Important Sums" from the course notes, find the num- ber n in each case that makes the following statements true. Show all working and justify your answer. n (2) = 78 j=1 (b) 2+4+6+8+ +2n = 42

Answer rating: 100% (QA)

a The sum of the first n positive integers is given by the f... View the full answer