Question

The nth term of the AP a,3a,5a,7a,..... is

Answer 1

Answer:

15a

Step-by-step explanation:

Answer 2

series.. of AP ... is

a , 3a ,. 5a, 7a ....

A/Q..

First term is = a

common diff. = 2a

$A_{n} = a + (n - 1)d$

$A_{n} = a + (n - 1)2a \\ \: \: \: \: \: \: \: = a + 2an - 2a \\ \: \: \: \: \: \: \: = a(2n - 1)$