SOLUTION: The sum of five terms of an AP is 10 and the sum of their squares is 380. Find the first term and the common difference. PLease Help me i have exams tommorow please

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Question 1200598: The sum of five terms of an AP is 10 and the sum of their squares is 380. Find the first term and the common difference.
PLease Help me i have exams tommorow please
Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.

This problem is solved in the lesson
    Solved problems on arithmetic progressions
in this site.     See  Problem  7  there.


Also,  you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lesson is the part of this online textbook under the topic
"Arithmetic progressions".