Question

5
Find the 5th term from the
end of the AP. 3,8,13,...,78.​

Answer 1

Answer:

23

Step-by-step explanation:

You can see the answer in the image sorry for the landscape mode.

Answer 2

Step-by-step explanation:

an=78

a=3

d=8-3=5

putting these in formula

atq

an=a+(n-1)d

78=3+(n-1)5

75=(n-1)5

75/5=n-1

15=n-1

n=16th term