Math, asked by Khushigautam07, 1 year ago

If tn = 3+4n then find AP and hence find its 20th term.
Class 10th question...please guys answer fast...its urgent

Answers

Answered by Anonymous

20th term
T20=2+4(20)
2+80
82 ans
And AP series is 6,10,14,18

Anonymous: kk

Anonymous: Jus put n=1 then 2,3,4 and so on in given nth term

Khushigautam07: okay...thanks

Anonymous: And u find required AP series

Anonymous: Have u understand?? Khushi ji and rohan ji

Anonymous: ya

Khushigautam07: yaa...yaa...I understood

Anonymous: good saloni keep it up

Anonymous: It is simple na!?

Anonymous: Thanks rohan ji

Answered by Anonymous

hope it helps you.........

Attachments:

Khushigautam07: sorry..but I can't understand the 1st step

Anonymous: oo we added and subtract that number

Khushigautam07: which one...4?

Anonymous: and another method is also here put n=1 so u get a1 and after putting n=2 you get a2 and a1-a2 =d

Anonymous: ya 4

Khushigautam07: ohk...thanks

Anonymous: hmm

Khushigautam07: I m sorry but I can't understand your solution

Anonymous: kk no problem

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