Question

Find 15th term of ap which 2nd term is 11 and comman defferent is 9

Answer 1

Hey... I think this can be ur answer!!

T2=11 d=9
T2 - T1=d
T1 =11-9 = 2 =a

SO now,
T15= a +14d
= 2+ 14(9)
=2+126
=128

Hope it helps you dear ☺️☺️

Answer 2

Hope it helpss!! :))