0 like 0 dislike


The first and second terms of an arithmetic sequence are 10 and 16 respectively.​ ​

  • Calculate the 11th term of the sequence
  • The sum of the first n terms of this sequence is -560. Calculate n.


in Grade 12 Maths by Platinum (112k points) | 12 views

1 Answer

0 like 0 dislike


T11= 10+(11-1)6

       = 70



    - 1120=n(6n-14)

      6n^2 -14n + 1120=0

  n= undefined
by Diamond (84.9k points)

No related questions found

Welcome to MathsGee Open Question and Answer Bank, a platform, where you can ask Maths and Science questions and receive answers from other members of the community. Help is always 100% FREE!
MathsGee QnA is the knowledge-sharing community where millions of students and experts put their heads together to crack their toughest homework questions.

Enter your email address: