Question

if a1 ,a2,a3, are in A.P such that a4÷a7=3÷2,then find the 13th term of an A.P.​

Answer 1

Answer:

Step-by-step explanation:

Given that a+3d÷a+6d=3÷2

2(a+3d)=3(a+6d)

2a+6d=3a+18d

3a-2a=6d-18d

A=-12d

Now, 13th term

A+12d

I.e. -12d+12d=0 ans