Math, asked by waghmar, 11 months ago

find tn for the A.P.1,5,9,13,17.....

KamnaJ: What is tn?

waghmar: i dont no

Shardul27: Vivkechauhan's answer is wrong

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Answers

Answered by vivkechauhan

It will help you so much

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Shardul27: It's wrong

Shardul27: see the question and your answer carefully

Answered by Shardul27

Here,

$a = 1 \\ d = (9 - 5) = (5 - 1) = 4$

$tn = an$

$an = a + (n - 1)d \\ = > an = 1 + (n - 1)4 \\ = > an = 1 + 4n - 4 \\ = > an = 4n - 3.$

Hope this will help you.

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