Solve the problem.Find a unit vector perpendicular to plane PQR determined by the points P(2, 1, 3), Q(1, 1, 2) and R(2, 2, 1).
A. 
(i - 2j - 2k)
B. 
(i - 2j - k)
C. 
(i - 2j + k)
D. 
(-i - 2j - k)
Answer: B
Mathematics
You might also like to view...
Solve the problem.For a car traveling at x mph, stopping distance is estimated by the formula D = 
x2 + 
x. Find a (maximum) safe speed for a stopping distance of 580 feet. Round your answer to the nearest mph.
A. 58 mph B. 62 mph C. 67 mph D. 70 mph
Mathematics
Show the solution set of each inequality on a number line.-6 ? x < -2
A. 
B. 
C. 
D. 
Mathematics
Convert.57.1 g = _____ kg
A. 0.00571 B. 5710 C. 0.0571 D. 57,100
Mathematics
Write the expression in condensed form.ln y - 3[2ln (y - 5) - ln (y + 5)]
A. ln 
B. ln 
C. ln 
D. ln 
Mathematics