Answers

2016-02-16T23:35:11+05:30
2016-02-16T23:52:55+05:30
A=1st term=5
d=common difference=d
Un=6
Un=a+(n-1)d
6=5+(8-1)d
6=5+7d
6-5=7d
7d=1
d=1/7

substitute 1/7 for d in the equation below to find the next number

Un=a+(n-1)d
=5+(9-1)1/7
=5+8*1/7
=5+8/7
=5+1.14
=6.14
the final answer 6.14 could be approximated to 6.
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