Post a New Question

math

posted by .

d 9th term of an Ap is 52 while d 12th term is 70. find sum of it's 20th term?

  • math -

    Just answered you previous post of the same question.

    BTW, "find the sum of it's 20th term" is confusing.

    I found the 20th term.
    If you want the sum of the first 20 terms, use the values of a and d I found for you and use the formula.

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question