Question

The 10th tern of an arithmetic progression is 47 and its first term is 2 then what will be its common difference

Answer 1

Hi,
10th term of ap is 47 i.e
a+9d=47
now,
a=2
substitute the value of a in equation
we get:2+9d=47
i.e9d=47-2
i.e 9d=45
i.ed=45/9
we get d=5

Answer 2

a+9d=47
a=2
d=?
2+9d=47
10d=47-2
10d=45
d=45/9
d=5