Two APs have the same common difference. The first term of one of these is -1 and that
of the other is -8. What is the difference between their 4
ℎ
terms?
Share
Two APs have the same common difference. The first term of one of these is -1 and that
of the other is -8. What is the difference between their 4
ℎ
terms?
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
4th term of first AP is -1+3d
and 4th term of second AP is -8+3d
and
the difference of its 4th term is
(-1+3d )-(-8+3d )= -1+3d+8-3d= -1+8= -7