Take the 2-minute tour ×
Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It's 100% free, no registration required.

enter image description here

This is the solution that I came up with enter image description here

share|improve this question
i don't understand what are you asking? –  Aang Oct 3 '12 at 7:50
@Avatar i am asking if it is correct according to the question. Nice nick by the way. –  JackyBoi Oct 3 '12 at 7:54
you did it right and thanks for the compliment :) –  Aang Oct 3 '12 at 8:08

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Browse other questions tagged or ask your own question.