of 
with respect to 
.
Q69: Find the decomposition <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="Find the
Q70: Convert the point <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="Convert the
Q71: Write the equation of the quadric surface
Q72: Find a unit vector <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="Find
Q73: In the parallelogram <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="In the
Q75: The angle between two intersecting lines is
Q76: The line <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="The line
Q77: Two different nonzero vectors, <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5596/.jpg" alt="Two
Q78: Write the equation of the surface <img
Q79: Write the equation of the surface <img