A function 'f' of two variables is said to be homogeneous of degree 'n' if f(tx,ty) = t^n*f(x,y) whenever t > 0. How can I show that such a function 'f' satisfies the equation: x*(partial...

A function 'f' of two variables is said to be homogeneous of degree 'n' if f(tx,ty) = t^n*f(x,y) whenever t > 0. How can I show that such a function 'f' satisfies the equation: x*(partial...

How to find umin(d,r) if xtanθ - (gx^2)/(2u2cos2θ) > r + √(r2-(x-d)2) for d-r < x < d+r ? And 0 < θ < π/2 , d and r can be any positive real number which d &g...

X goes from 0 to 2 Y goes from 0 to sqrt(4-x^2) Z goes from 0 to sqrt(4-x^2-y^2). The function is zsqrt(4-x^2-y^2)dzdydx. I know the conversion from rectangular...

The two surfaces defined by: xyz=a and (y/x)=b intersect in a space curve. Given a > 0 and b >0, find a general expression for the coordinates of the point on this curve that is closest to the...

How do I take partial derivative of something like this: $$ \sum_{i=1}^n\sum_{j=1}^nb_i(b_ja_{ij}) $$ Both $b_i$ and $b_j$ is part of the same variable $b$, so...

I don't know what values to set for C in order to calculate for the y=??? function of the level curve

Find the minimum distance from the origin to the surface z2 = (x-1)2+(y-1)2

Find a linear function whose graph is the plane that intersects the xy-plane along the line y= x+7 and contains the point (-4,-4,-21).

Describe the region bounded by the planes: x = 0, y=0, z=0, x+y=4, and x=z-y-1. Describe as a region (in any order you can) the region inside the ball x^2+y^2+z^2=4 and...

Evaluate ffD(x^2+y^2)dA where D is the region in the first quadrant bounded by y=x, y=3x, and xy=3

Lagrange multipliers work great for finding the minimum value of y-ax, restricted to the curve y^2-x^2=1 for any a with 0<=a<1 (what is it?) but fails quite miserably if a >=1. Use the geometry...

Find the maximum value of f(x,y) = x2y7 for x,y ≥ 0 on the unit circle

Let f(x,y) = 1/(x2 - y) (a) Determine the critical points of f. (b) Does the limit of the function f at the point (0, 0) exist? Justify your answer

use cylindrical coordinates to evaluate the triple integral that gives the mass the solid lying under the cone z=10-√(x2+y2), and above the xy-plane, if the density p is given by p(x,y,z)=x2+y2+z2...

Use the divergence theorem to evaluate I=S∫∫(4x+3y2+z)dS, Where s is unit sphere x2+y2+z2=1.

The parabolas y=x^2, y=x^2+1, y=(x-2)^2, y=(x-2)^2+1 Intersectto form a curvilinear quadrilateral R. The change of variable u=y-x^2, v=y-(x-2)^2 map R onto a square in the uv-plane. Use the...

for the following function find the domain D and range T and show that for every c ∈ T there exists x,y such that f(x,y) = c. Sketch the Domain. The following is my own answer but I am unsure...

find equation of a plane that contains the line x=3t y=2+t z=-2t and parallel to the intersection of planes 2x-y=0 and y+z=-1 i dont know what to cross im so confused please help

i have no idea solving the problem :((

I tried solving it and I got -x-5y+3z=7 but it seems wrong. Any help please?

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