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#751 2017-04-16 00:57:33
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Series and Progressions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#752 2017-04-16 13:33:51
- ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 24,303
Re: Series and Progressions
Hi;
The solution SP #350 is correct. Good work, bobbym!
SP #351. If the sum of n terms of an A.P. is
, then find its nth term.It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#753 2017-04-17 03:03:04
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Series and Progressions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#754 2017-04-17 23:42:31
- ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 24,303
Re: Series and Progressions
Hi;
The solution SP #351 is correct. Neat work, bobbym!
SP #352. Find the 9th term of the A.P.
.It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
Online
#755 2017-04-17 23:50:34
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Series and Progressions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#756 2017-04-18 18:39:14
- ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 24,303
Re: Series and Progressions
Hi;
The solution SP #353 is correct. Well done, bobbym!
SP #353. Which term of the A.P. 121, 117, 113, ... is its first negative term?
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
Online
#757 2017-04-18 21:03:09
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Series and Progressions
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline