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- 1. Show that the vector field F(x, y, z) = (2x sin ye³)ix² cos yj + (3xe³ +5)k satisfies the necessary conditions for a conservative vector field, and find a potential function for F.arrow_forward1. Newton's Law of Gravitation (an example of an inverse square law) states that the magnitude of the gravitational force between two objects with masses m and M is |F| mMG |r|2 where r is the distance between the objects, and G is the gravitational constant. Assume that the object with mass M is located at the origin in R³. Then, the gravitational force field acting on the object at the point r = (x, y, z) is given by F(x, y, z) = mMG r3 r. mMG mMG Show that the scalar vector field f(x, y, z) = = is a potential function for r √√x² + y² . Fi.e. show that F = Vf. Remark: f is the negative of the physical potential energy, because F = -V(-ƒ).arrow_forwardshow your answer in pen and paper Don't use any Al tool show ur answer in pe n and paper then take -2-i Evaluate f² (3xy + iy²)dz a) along the straight line joining from z = i to z = 2 - i Inspiring Excellence b) along the parabola from x = 2t - 2 and y = 1+t-t²arrow_forward
- Prove let Aand B submodul of M A is large sub podule A large of B and B large of M. SM B Smale sub module B/A smal of M/A and As Mallof M. Give example and expleain caim. Amonorphism and split d) Determine the following group: Hom, (Q,Z) and Ho M₂ (Q, Q) and Hom (2/12, Q) =arrow_forwardQ2: Using the Laplace transform, find the solution for the following equation y"" +y" = 6et + 6t + 6. Suppose zero initial conditions (y"" (0) = y"(0) = y'(0) = y(0) = 0).arrow_forward1- Let A = {A1, A2, ...), in which A, A, = 0, when i j. a) Is A a π-system? If not, which element(s) should be added to A to become a π-system? b) Prove that σ(A) consists of the finite or countable unions of elements of A; i.c., A E σ(A) if and only if there exists finite or countable sequence {n} such that A = U₁An (Hint: Let F be such class; prove that F is a σ-filed containing A.) c) Let p ≥ 0 be a sequence of non-negative real numbers with Σip₁ = 1. Using p₁'s, how do you construct a probability measure on σ(A)? (Hint: use extension theorem.) 2- Construct an example for which P(lim sup A,) = 1 and P(lim inf An) = 0.arrow_forward
- 3. Let f(z) = sin (22) + cos (T2) 2(22+1)(z+1) Compute f(z)dz over each of the contours/closed curves C1, C2, C3 and C4 shown below. Don't use any Al tool Don't send the same previous answer that was Al generated L 10 -c x show ur answer pe n and paper then take Send ur answer in pe n and paper don't rep uted ur self downarrow_forwardPLEASE SOLVE STEP BY STEP WITHOUT ARTIFICIAL INTELLIGENCE OR CHATGPT SOLVE BY HAND STEP BY STEP 4.- A beer at an unknown temperature is introduced into a refrigerator that has a constant temperature of 1°C. After 20 minutes, the temperature of the beer is 10°C, and after 40 minutes, the temperature of the beer is 6°C. a) Determine the temperature at which the beer was placed inside the refrigerator.b) How long will it take for the beer to reach 2°C?arrow_forwardPLEASE SOLVE STEP BY STEP WITHOUT ARTIFICIAL INTELLIGENCE OR CHATGPT SOLVE BY HAND STEP BY STEP 5.- It is known that the population of a certain community increases at a rate proportional to the number of people at any given moment. If the population doubled in 5 years: a) How long will it take to triple?b) How long will it take to quadruple?arrow_forward
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