Given: WX || YZ,WX = YZ Prove: AWXZ = AYZX W Z X Y

Q: 1æ² + 4y? + 5z², find 2 Given f(x, y, z) V fz(x, Y, z) = fy(x, Y, z) = f-(x, y, z) =

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Q: Evaluate / (x - 2y + z) ds. S: z = 3 - x, 0sxs 3, 0sys 2

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Q: Let f= 2zy + yx, v= [y, z, 4z -x]. Find Dyf at (2,1,2). NOTE: Enter an exact answer. Dvf (2, 1, 2) =

A: Given: fx, y, z=2zy+yx, v=y, z, 4z-xTo find: The directional derivative, Dvf at 2, 1, 2

Q: af Let f(x, y, z) = xy + z². Calculate where x = = s², y = 2st, z = t². მs

A: Step 1: Step 2:

Q: Compute u X v and v X u for u = jX k and v = kX i. u X v = V Xu =

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Q: For which value(s) of a and b is y = abx concave up? b>1, a<0 00 0<b<1,a<0 b>1,a>0

A: We have find correct option

Q: Let f(x, y) = 6e sin(7y) af af dy

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Q: ∠S and ∠Y congruent or supplementary

A: Given,           To find ∠S and ∠Y congruent or supplementary.