Math, asked by appkappo11, 5 months ago

find the number of terms in following ap 7 13 19...85

Answers

Answered by Anonymous

4

Step-by-step explanation:

you answer

terms of the numbers

7,6,5,4,3,2,1,12,11,15,16,13,17,19,85

it's a correct answer in giving series

:)

Answered by meghana7705

0

Answer:

14

Step-by-step explanation:

an=a1+(n-1) d

a1=7

an=85

d=6

85=7+(n-1)6

85=7+6n-6

85=1+6n

85-1=6n

6n=84

n=84/6

n=14

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