Question

30th term of AP: 10,7,4.....is​

Answer 1

Step-by-step explanation:

Given AP : 10,7,4...

First term (a) =10

Common difference (d)=7-10= -3

we know that ,nth term of an AP =(an)=a+(n-1)d

30th term of the given AP

=(a30)= 10+(30-1)(-3)

= 10+(29)(-3)

= 10-87

therefore a30 =-77