1. Cov(aX, Y) = aCov(X, Y). 2. Cov(X + Z,Y) = Cov(X, Y) + Cov(Z,Y). 3. Cov(aX+bZ,Y)= aCov(X,Y) +bCov(Z,Y).
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- Since Cov (X, Y) = E [X, Y] -E [X] E [Y]. Obtain Cov (Yi, BO)Find div F if F(x,y,z) = xz6 i + 5y7x2 j + 6z2y k. A. div F = z6 + 35y6x2 + 12zy B. div F = 35y6x2 + z6x2 + 12zy C. div F = z6 + 35y6x2 + 12y D. div F = z6 + 35yx2 + 12zy5) Find ôw/ôv if w x +(y/x), x =u-2v+1, and y= 2u+v- 2, at the point (u, v)= (0,0)