Question

if an a.p an= 3n+2 find 12 th term​

Answer 1

Answer:

38

Step-by-step explanation:

Let n be 12

Therefore,

a12 = 3(12) + 2

= 36 + 2

= 38

Answer 2

Answer:

12 th term is 37

Step-by-step explanation:

an=3n+1

a1=3(1)+1

= 3+1

= 4

a2= 3(2)+1

= 6+1

= 7

d= a2- a1

d= 7-4

d= 3

a12= a+11d

= 4+11(3)

=4+33

= 37