Question

If 6 times of 6th term of an A. P. is equal to 7 times the 7th term, then find the 13th term​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Step-by-step explanation:

If 6 times of 6th term of an A. P. is equal to 7 times the 7th term

6(a+5d)=7(a+6d)

=>a=(-12d)

13th term=a+(n-1)d=a+12d=(-12d)+12d=0