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Thank for this favor
its cramer's rule. that u derived.
see application section http://en.wikipedia.org/wiki/Cramer's_rule

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Other answers:

burn.
Jeez that hurts.
When I derived mine, I didn't know of Cramer's rule then I was still in the early period of high school. But Cramer used Matrices to derive his. I used another method. lol
@bthemesandtricks Don't give up. You discovery was a first for you. So, keep thinking.
Besides its not the same formular just like the general method for solving quadratic equations and the completing the square method are similar so is my formula and Cramer's.
@Directrix Thanks for the encouragement
Here's something on which to cogitate: http://www.bealconjecture.com/
And, more: http://faculty.evansville.edu/ck6/integer/unsolved.html
Okay I'd check it up
Free textbooks (aka open textbooks) written by knowledgable scholars are a relatively new phenomenon. Below, find a meta list of 150 Free Textbooks, and check back often for new additions. Also see our online collection of Free Courses. http://www.openculture.com/free_textbooks
You are a savior. Thanks so much. No wonder you are rated 99. It was really motivating and encouraging
Don't be fooled by rating numbers. Just keep that "can do and will do" spirit.
Wow thanks.
Please Directrix what's your name? I'm Sam

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