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Topic: Hi. I'm a student from France. I have some mathematic questions that
i don't know to solve it

Replies: 6   Last Post: Sep 3, 2013 6:12 PM

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Taylor De Laurent

Posts: 1
Registered: 9/3/13
Hi. I'm a student from France. I have some mathematic questions that
i don't know to solve it

Posted: Sep 3, 2013 6:23 AM
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Hi.My name is Taylor. I have some mathematic questions that i don't know to solve it. Is about a Arithematic and Geometric Progession questions
Question: 1.The first term of a geometric progression exceeds 8 from the second term and the sum to infinity of the geometric progression is 18. Find the common ratio and the first term of the geometric progression.
2.The 8 term of an arithmetic progression is 20 and the 7 term is four times the 3 term.Find the first term and the common difference of the progression.

Thank You



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