which term of an AP is 3,8,13............,is 78????
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Heyyyy mate..
Here is your answer..
given, sequence>>>>> 3,8,13...........is 78??
A = 3 common difference D = A2-A1= (8-3= 5)
Tñ= a+(n-1)×d
78= 3+(n-1)×5
78= 3+5n-5
78= 5n-2
5n= 78+2= 80
n= 80/5= 16
so answer is 16
hope it help you
Here is your answer..
given, sequence>>>>> 3,8,13...........is 78??
A = 3 common difference D = A2-A1= (8-3= 5)
Tñ= a+(n-1)×d
78= 3+(n-1)×5
78= 3+5n-5
78= 5n-2
5n= 78+2= 80
n= 80/5= 16
so answer is 16
hope it help you
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