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#1 2009-09-27 21:48:59

soha
Real Member
Registered: 2006-07-07
Posts: 2,530

Arithmetic Progression

The 6th , 17th Terms Of An A.p Are 19 And 41 Respectively, Find The 40th Term??????????????


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#2 2009-09-27 22:24:46

mathsyperson
Moderator
Registered: 2005-06-22
Posts: 4,900

Re: Arithmetic Progression

Well, the nth term of an arithmetic progression can be expressed as nx + y.
So using that, you can make two simultaneous equations:

6x + y = 19
17x + y = 41

Now you have two simultaneous equations, and so can find the values of x and y. Once you have those, set n=40 to get your answer.


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#3 2009-09-28 01:28:42

soroban
Member
Registered: 2007-03-09
Posts: 452

Re: Arithmetic Progression

The 6th and 17th terms of an A.P are 19 and 41 respectively.
Find the 40th term.


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#4 2009-10-01 22:24:01

soha
Real Member
Registered: 2006-07-07
Posts: 2,530

Re: Arithmetic Progression

Thank you so much mathsyperson and soroban ...
I understood this...

Thanks again ...


"Let us realize that: the privilege to work is a gift, the power to work is a blessing, the love of work is success!" smile smile
- David O. McKay

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