let suppose an arithmetic progression "1 3 5 7 9 11 .......
and find: a) 1st term. b) common difference. c)10th term. d) find sum of 20th term.
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khdfjffvbbccvnhvg
Step-by-step explanation:
hi
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Answer:
first term = 1
common difference = 3-1 = 2
sn = lebsjslslsjjs
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