Question

find the n th term of AP 9,12,15​

Answer 1

Answer:

Tn = 6 + 3n

Step-by-step explanation:

Tn = a + (n-1)d

Tn = 9 + (n-1)3

Tn = 9 + 3n - 3

Tn = 6 + 3n

Hope this helps

Answer 2

mate here is your answer,

In the given AP,

a=9

d=3

n=3

so by using formula we get

An=a+(n-1)d

An=9+(3-1)3

=9+6

=15

so mate nth term of Ap is 15