Question

what is the com.on diffrence of ap if nth term is (7n-1)??

Answer 1

Heya....

Here is your answer......

an = 7n-1

Common difference d is = an + 1-an
Then,,,
7(n +1 ) -1 - (7n-1)
= 7n + 7 -1-7n +1
= 7......

Answer 2

$\textbf{N th term =7n-1}$

So first term = 7(1)-1=6

Second term= 7(2)-1=13

Common difference

= second term - first term

=13 - 6

$\boxed{\bold{= 7}}$

Thanks

Have a colossal day ahead

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