Math, asked by mohi9627, 1 year ago

Which term of the sequence 3,8,13 is 78

Answers

Answered by vsk96garg
1
Hi

Sol.here a=3
             d=5
              an=78
to find n
an=a+(n-1)d
78=3+(n-1)5
78=3+5n-5
78+2=5n
5n=80
n=16

hope it helps you 

thanks
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