Friday

August 29, 2014

August 29, 2014

Posted by **Amir khan** on Sunday, September 25, 2011 at 7:34am.

2) Find the fifth term from the arithmetic progression -12, -9, -6 hence find the sum of it's first fifty terms.

3) The sum of the first terms in Arithmetic progression is equal to -24, and the sum of the last six terms equal to 30. if the number of it's term is 12. find a) it's common different

b) The first term

c) the last term

- maths -
**Anonymous**, Tuesday, January 24, 2012 at 4:09amAnswer

- maths -
**ari**, Thursday, January 30, 2014 at 2:40am3)a=-12

d=3

t(5)=a+(n-1)d

=-12+(5-1)3

=0

s(50)=3625

hope it would be a help. :)

**Related Questions**

Maths - 1..The first 2 terms of a geometric progression are the same as the ...

Maths - Arithmetic Progression - The fourth term of an AP is 8 and the sum of ...

arithmetic - Each term of a progression is determined by adding 0.5 to the ...

Maths - 1) In the arithmetic progression, the 8th term is twice the 4th term and...

maths - the sum of first 8 terms of an arithmetic progression is 156.the ratio ...

Maths - The first term of an AP is 3 and the eleventh term is 18.find the number...

arithmetic - an arithmetic progression has 20 terms. the sum of all the even ...

arithmetic - In an arithmetic progression the sum of the first 10 terms is 50 ...

maths - The thirteenth term of an arithmetic progrssion os 27 and the seventh ...

maths - The thirteenth term of an arithmetic progrssion os 27 and the seventh ...