Find the requested vector.w = 3i - 3j - kFind a vector orthogonal to both w and j + k.
A. 4i - 2j + 2k
B. 3i - 3j - 2k
C. -2i - 3j + 3k
D. -4i - 2j + 4k
Answer: C
You might also like to view...
Provide an appropriate response.Derive the identity sec-1(-x) = ? - sec-1 x by combining the following two equations:cos-1(-x) = ? - cos-1 xsec-1 x = cos-1(1/x)
What will be an ideal response?
Use the appropriate addition formula to find the exact value of the expression.sin 
A. 
B. 
C. 
D. - 
Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $4 per foot for two opposite sides, and $5 per foot for the other two sides. Find the dimensions of the field of area 750 ft2 that would be the cheapest to enclose.
A. 34.2 ft @ $4 by 21.9 ft @ $5 B. 24.5 ft @ $4 by 30.6 ft @ $5 C. 30.6 ft @ $4 by 24.5 ft @ $5 D. 21.9 ft @ $4 by 34.2 ft @ $5
Using Green's Theorem, find the outward flux of F across the closed curve C.F = (-y - ey cos x)i + (y - ey sin x)j ; C is the right lobe of the lemniscate r2 = cos 2? that lies in the first quadrant.
A. 0
B. 
C. 
D. 1