which term of the A.P 7,12,22,..... is 117
Answers
Answered by
2
a = 7
d = 5
an = a + (n-1)d
117 = 7 + (n-1)5
n-1 = (117-7)/5
n-1 = 110/5
n-1 = 22
n = 23.
d = 5
an = a + (n-1)d
117 = 7 + (n-1)5
n-1 = (117-7)/5
n-1 = 110/5
n-1 = 22
n = 23.
protik:
an ?
Answered by
1
The answer is your question given below
n=23
n=23
what is tn here ?
117
the last no. is tn
oh thnks
please brother mark as brinlist
thnks for the explanation
thanx
its my pleasure.
so that means t23 ( subscript) is 117 ?
yes
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