Question

n an Arithmetic Progression an = 3n – 1, then common difference is:
(a) 1
(b) 2
(c) 3
(d)4​

Answer 1

$\binom{ \binom{ \binom{ \binom{?}{?} }{?} }{?} }{?}$

$\binom{ \binom{ \binom{ \binom{ \binom{ \binom{ \binom{ \binom{ \binom{ \binom{ \binom{ \binom{?}{?} }{?} }{?} }{?} }{?} }{?} }{?} }{?} }{?} }{?} }{?} }{?}$

Answer 2

Answer:

ccccccc 33333333333333