Question

Find the 19th term of the following A.P.
7, 13, 19, 25,...
​

Answer 1

Step-by-step explanation:

Use an=a+(n-1)d

Here a=7, d=6, n=19

a19=7+18*6

=7+108

=115

Answer 2

Answer:

Step-by-step explanation:

AP = 7 , 13 , 19 , 25 ,

T₁₉ = a + 18d

T₁₉ = a = 7

Common difference = d = 6

T₁₉ = 7 + (18 × 6)

T₁₉ = 7 + 108

T₁₉ = 115