Question

30th term of the a.p =10,7,4

Answer 1

nth term= a +[n-1]d
30th term= 10+[30-1]*-3
. = 10+[-86]
. = -76

Answer 2

Hey....

First term of AP(a)=10
common difference(d)=-3
term=a+(n-1)d
Thirtith term=10+(30-1)-3
=10+29*-3
=10-87=-77

hope it helps.....