1. Express a in terms of the basis vectors I{, 12, 13), that is to say that, fill in the blanks below a = ( )+( )+( 2. What will be the magnitude of a ? )13 3. Express in terms of 13 and a using the plane in which it lies. 4. Using the results above, finally, write in terms of the basis vectors I{, 12, 13), that is to say that, fill in the blanks below 6 = ( ) +( )12+( 5. What is the magnitude of ? )13 6. Evaluate 13, express the answer in terms of the /{, 12, 13)} vectors?