Question

In an A.P the common difference is double the first
term 'a' then the nth term is
a) 2an
b) (2n+l)a c) (2n - 1)a d)
na​

Answer 1

Answer:

nth term of an A. P. = a+ ( n- 1) d ( because, d= 2a)

an = a+ ( n-1) × 2a

an = a ( 1+2n -2)

an= (2n-1) a ANS.

Option ( c) is correct.