Question

Q) what is the 10th term and the 20th term of the sequence 5,12,19,26.....
with step by step explanation​

Answer 1

Answer:

Step-by-step explanation:

The sequence is 5,12,19,26

a = 5 d = 7

10th term is

a(10) = a+(n-1)d

= 5+(10-1)7

= 5+63

= 68

Similarly,

a(20) = 5+(20-1)7

= 5+19×7

= 5+133

= 138