Question

find the 10th term of the AP: 2, 7, 12,.............

Answer 1

a=2 , d= 7-2= 5
10th term = a + (n-1)d
=2 + 10-1×5
=2 + 45
= 47
Hope this will help you....

Answer 2

heya

here
A1=2
D=a2-a1=5
now
An=a+(n-1)D
so
A10=2+(9)5
A10= 2+45
A10=47

hence tenth term is 47