MTH301 Assignment no 1 solution fall 2012

Question # 1:

Find the distance between the two points P (3, 4, 5) and (6, 7, 8)

Solution: 

Question # 2

Find the cosines of the direction angles of A (–1, 1, 1) in .

Solution:

  

Question # 3


Convert the Cartesian coordinates (12, 5) in Polar Coordinates

Solution:

 

 

Question # 4

 

Solution:

Question # 5

Evaluate the limit

Solution:

 

Question # 6

Find and  if

and