Question

If the 10th term of an A.P is 5n+3 that 3rd term of the A.P is​

Answer 1

Answer:

How do you find the common difference of the AP whose nth term is 5n-3?

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N’th tem of an A.P =

first term+(no. of terms-1)×common difference

ie. a+(n-1)×d

=d.n+a-d

So given nth term is 5.n-3

So, by comparing the cofficient of 'n'

‘d'= 5 & a= d-3=2

So common difference is 5 and first term is 2.

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