Question

. Find the 18th term of the A.P. 7, 13, 19, 25, ....​

Answer 1

Answer:

Tn = a+ (n-1)d

T18 = 7 + (18-1)6 = 109

Step-by-step explanation:

Answer 2

Answer:

Tn = a+(n-1)d

So T18 = 7+(18-1)6

= 7+17*6

=7+102

=109