50 points

Two vectors are said to be parallel if they point in the same direction or if they point in opposite directions.

Part A

Are the vectors v1= < square root of 3,1> and v2= < -1(square root of 3), -1 parallel? Show your work and explain.

Part B

Are the vectors u1= <2,3> and u2= <-3,-2) parallel? Show your work and explain.