Evaluate where and S is the part of the plane 2x + 3y + 6z = 12 which is located in the first octant.
Find the value of constant (a + b + c) so that the directional derivative of the function f = axy2 + byz + cz2x3 at the point (1, 2, –1) has maximum magnitude 64 in the direction parallel to y axis :
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Evaluate the along the portion from path (1, 0, 1) to (3, 4, 5) of the curve C, which is the intersection of the surface z2 = x2 + y2 and z = y + 1.
The work done by the force in moving a particle over circular path x2 + y2 = 1, z = 0 from (1, 0, 0) to (0, 1, 0) is :
Let C be any curve x2 + y2 + z2 = 4, z > 0 and the vector field
find out
(Ans. upto three decimal places)
The value of the and C is the curve y2 = x joining (0, 0) to (1, 1) is (correct upto three decimal places)
along the curve x = sin θ cos θ, y sin2 θ, z = cos θ with θ increasing from 0 to π/2. Find the value of α + β.
If f(x, y, z) = x2y + y2z + z2x for all (x, y, x) ∈ R3 and then the value of at (2, 2, 2) is :