Only two simple questions
(REally i am not good at math and i am in the 10th grade)
This is my first post and hope to get some little help .In the summer i have tryed hacking now math has replaced hacking :)
+ or -
First : http://i41.tinypic.com/11cgvug.jpg
Second : 2MN=6i how to solve this ?
(MN and i are in vector with an index "-->")
Note : if the post looks bad with the big picture i will replace that with a link