Let f ( x , y ) = x^ 2 + y ^3 + sin ⁡...

Let f ( x , y ) = x^ 2 + y ^3 + sin ⁡ ( x ^2 + y ^3 ). Determine the line integral of f ( x , y ) with respect to arc length over the unit circle centered at the origin (0, 0).

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milcah answered 2 years ago

f(x,y)=sin(2x)sin(y) intervals for x and y: -π/2 ≤ x ≤ π/2 and -π ≤ y ≤...

f(x,y)=sin(2x)sin(y) intervals for x and y: -π/2 ≤ x ≤ π/2 and -π ≤ y ≤ π find extrema and saddle points In the solution, I mainly interested how to findcritical points in case of the system of trigonometric equations (fx=0 and fy=0). ,

Let F (x, y) = y sin x i – cos x j, where C is...

Let F (x, y) = y sin x i – cos x j, where C is the line segment from (π/2,0) to (π, 1). Then C F•dr is A 1 B 2 C 5/2 D 3 E 7/2

2 Let F be a field and let R = F[x, y] be the ring of...

2 Let F be a field and let R = F[x, y] be the ring of polynomials in two variables with coefficients in F. (a) Prove that ev(0,0) : F[x, y] → F p(x, y) → p(0, 0) is a surjective ring homomorphism. (b) Prove that ker ev(0,0) is equal to the ideal (x, y) = {xr(x, y) + ys(x, y) | r,s ∈ F[x, y]} (c) Use the first isomorphism theorem to prove that (x, y) ⊆ F[x, y]...

Let F be a field. (a) Prove that the polynomials a(x, y) = x^2 − y^2,...

Let F be a field. (a) Prove that the polynomials a(x, y) = x^2 − y^2, b(x, y) = 2xy and c(x, y) = x^2 + y^2 in F[x, y] form a Pythagorean triple. That is, a^2 + b^2 = c^2. Use this fact to explain how to generate right triangles with integer side lengths. (b) Prove that the polynomials a(x,y) = x^2 − y^2, b(x,y) = 2xy − y^2 and c(x,y) = x^2 − xy + y2 in F[x,y]...

Let f(x,y)= (3/2)(x^2+y^2 ) in 0≤x≤1, 0≤y≤1. (a) Find V(X) (b) Find V(Y)

3. Let F : X → Y and G: Y → Z be functions. i. If...

3. Let F : X → Y and G: Y → Z be functions. i. If G ◦ F is injective, then F is injective. ii. If G ◦ F is surjective, then G is surjective. iii. If G ◦ F is constant, then F is constant or G is constant. iv. If F is constant or G is constant, then G ◦ F is constant.

4. (Oblique Trajectory Problem) Let F(x, y) = x 2 + xy + y 2 ....

4. (Oblique Trajectory Problem) Let F(x, y) = x 2 + xy + y 2 . Find a formula for G(x, y) such that every curve in the one-parameter family defined by F(x, y) = c intersects every curve in the one-parameter family defined by G(x, y) = c at a sixty degree angle

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Let f ( x , y ) = x^ 2 + y ^3 + sin ⁡...

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