Math, asked by princesshreyamali, 1 year ago

Is 68 term of ap 7,10,13?

Answers

Answered by ritvikjain2090ow0ydl
53
hello,
we know that nth term=a+(n-1)d
the AP is 7,10,13........
here a is 7,d is 3
nth term is 68
68=7+(n-1)3
68-7=(n-1)3
61/3=n-1
n=64/3
∵n is not a natural no.
68 is not a term of the given AP
HOPE THIS HELPS,IF U LIKE IT PLEASE MARK IT AS BRAINLIEST
Answered by siddhartharao77
17
We know that an = a + (n-1) d

                        68 = 7 + (n-1) 3

                        61 = (n-1) * 3

                        n-1 = 20.33

                         n = 21.33


Hope this helps!

Naishadh: Hello ! Sir,
Naishadh: As u gave the ans.21.33 is not correct. This is R.D sharma 's sum and the solution given here is 13, may u please do recheck and give the solution. Thank you
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