Math, asked by yashwanthu2005, 6 months ago

which term of the AP 5,9,13,17........is 81?

Answers

Answered by Parulkashyap17

0

Answer:

Here is your answer

Step-by-step explanation:

Hope you get it

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Answered by sd75375dhumalsahil94

0

Answer:

20th term is 81

Step-by-step explanation:

tn= 81

a= 5

d= 4

tn= a+(n-1)d

81= 5+(n-1)4

81-5= 4n-4

76+4= 4n

80= 4n

n= 20

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