If Ā= x’yi – xyz j+ ye? k, determine div A at point (1,2,3)? 15 -...
Whats the answer to number
1?
1. Let r(t) = -i-e2t j + (t? + 2t)k be the position of a particle moving in space. a. Find the particle's velocity, speed and direction at t = 0. Write the velocity as a product of speed and direction at this time. b. Find the parametric equation of the line tangent to the path of the particle at t = 0. 2. Find the integrals: a. S (tezi - 3sin(2t)j + ick)...
3. Consider the functions \(f(x, y, z)=x y z\) and \(\mathbf{F}(x, y, z)=y z^{2} i+x^{2} z j+x y^{2} k\). Determine which of the following operations can be carried out and find its value:div \(f, \operatorname{grad} f,\) div \(\mathbf{F},\) curl div \(\mathbf{F}\) and div curl \(\mathbf{F}\).
Let F 10i4u 8zk. Compute the civergence and curl of F. , div F , curl F Show steps (1 point) Let F (8y2)i(7xz)j+(6y) k Compute the following: A div F В. curl F- i+ k C, div curt F= Note: Your answers should be expressions of x, y and/or z; e.g. "3xy" or "z" or 5 (1 polnt) Consider the vector field F(r,y, ) = ( 9y , 0, -3ry) Find the divergence and curl of F div(F) VF=...
what is the answer for number
4
1. Let r(t) = -i-e2t j + (t? + 2t)k be the position of a particle moving in space. a. Find the particle's velocity, speed and direction at t = 0. Write the velocity as a product of speed and direction at this time. b. Find the parametric equation of the line tangent to the path of the particle at t = 0. 2. Find the integrals: a. S (tezi - 3sin(2t)j +...
NO.25 in 16.7 and NO.12 in
16.9 please.
For the vector fied than the vecto and outgoing arrows. Her can use the formula for F to confirm t n rigtppors that the veciors that end near P, are shorter rs that start near p, İhus the net aow is outward near Pi, so div F(P) > 0 Pi is a source. Near Pa, on the other hand, the incoming arrows are longer than the e the net flow is inward,...
Calculus 4
Let f(x,y) = A)-i-j E) i+j 1. Find the gradient vector Vf (1, 1) at the point (x,y) = (1,1). B) - 1 - 1 D)-i-j 10. . Find the largest value of the directional derivative of the function f(x,y) = ry + 2ya at the point (3,y) = (1,2). A) 53 ' B) V58 C) V63 D) 74 E) 85 y + The function (,y) = 2 + y2 + A) (-3,5), saddle point C) (-1,3), maximum...
could you answer all questions
14. Solve the initial-value problem for the exact ordinary differential equation. 2ry-9+(2y + 2 +1)y-0, y (0) --3 OAy- r O B. y O C. y O D. y O E. y OF.y O G. y rT VZS122E25 15. Solve the initial-value problem for the exact ordinary differential equation. 2ry-9r2 +(2y + x2+1)y-0, v(0) 2. -1+V12r2125 21 OA.y t B. y nren OC.y= e OD. y ra OE. y lag OFy= G. y ipprypr 1+v...
Exercise 1. Tangent plane (15 pts) Let (5) be the surface given by the following equation. x2+y2 = 1+z2 An equation of the tangent plane to (S) at A(1,2,2) is: a. 2x + 4y – 4z = 1 b. x + y - z=0 c. x + 2y – 2z = 1 d. x + y - z = 2 e. None of the above a. b. C. O d. e. Exercise 2. Directional derivative (6 pts + 9 pts)...
1. (20) For each question, determine the form of y, for the given DE. Do not solve for A,B,C,... Write your answer in the box. (a) y" - 58/ + 6y - 11 cos 4t Ye = ciel + 2 (b) y" - 5y' +6y=4r?+3 Ye = cle* + e- (c) y" - 5y +6y=-7x*B Ye = ce + c3e2- Yp = (d) y" – 5y + 6y = -7?e22 Yc = Cier + cze? Yp = (e) y" -...
Let U ={a, b, c, d, e, f, g, h, i, j, k}. Let A={d, f, g, h, i, k}. Let B={a, d, f, g, h}. Let C={a, c, f. i, k} Determine (AUC) U ( AB). Choose the correct answer below and, if necessary, fill in the answer box in your choice. OA. (AUC) U(ANB)= } (Use a comma to separate answers as needed.) OB. (A'UC) U (ANB) is the empty set. LE This Question: 1 pt Let U={x|XEN...