- #1
spoc21
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- 0
Homework Statement
Expand and simplify:
(2[tex]\vec{a}[/tex] + 3[tex]\vec{b}[/tex]) .(5[tex]\vec{a}[/tex] - [tex]\vec{b}[/tex]
Homework Equations
The Attempt at a Solution
I tried expanding it, but was a little confused, and would really appreciate any help..would it be (2[tex]\vec{a}[/tex])([tex]\vec{a}[/tex]) = 2 [tex]\vec{a}[/tex]2?
Thanks..