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Results for this submission Entered Answer Preview sqrt{{[4*sqrt{(x^2)+1}]/3)+75) 4.12...
Entered Answer Preview Result sqrt([4-sqrt(x^2)+1)+23973) 4V 22 +1 +239 3 incorrect V The answer above is...
Entered Answer Preview Result sqrt([4-sqrt(x^2)+1)+23973) 4V 22 +1 +239 3 incorrect V The answer above is NOT correct. (1 point) Solve the initial value problem: 42-6yza+make=0, (0) = -8 y() = sqrt((4sqrt(x^2+1)+23973)
Entered Answer Preview Result sech (**) 4x3 tann?(x) [([sech(x^(1/4))]^2)/(4* [x^(3/4)]* (ſtanh(x^(1/4))]^2)] incorrect The answer above is...
Entered Answer Preview Result sech (**) 4x3 tann?(x) [([sech(x^(1/4))]^2)/(4* [x^(3/4)]* (ſtanh(x^(1/4))]^2)] incorrect The answer above is NOT correct. (1 point) If f(x) = tanh- va then f'(x) = -(sech^2(x^(1/4))/(4x^(3/4)tanh^2(x^(1/4)))) Preview My Answers Submit Answers Your score was recorded. You have attempted this problem 5 times. You received a score of 0% for this attempt. Your overall recorded score is 0%. You have unlimited attempts remaining. HW-2: Problem 3 Previous Problem Problem List Next Problem (1 point) If f(x) = x...
(1 point) Solve the separable differential equation dx Subject to the initial condition: y(0)-7. sqrt(11/4(sqrt(xA2+1))+47/4)
(1 point) Solve the separable differential equation dx Subject to the initial condition: y(0)-7. sqrt(11/4(sqrt(xA2+1))+47/4)
Results for this submission Entered Answer Preview X*[e^(2x)] 2e2z (8/3)*(x^3)+C 2 223 + c At least...
Results for this submission Entered Answer Preview X*[e^(2x)] 2e2z (8/3)*(x^3)+C 2 223 + c At least one of the answers above is NOT correct. 1 of the questions remains unanswered. (1 point) A first order linear equation in the form y' + P(x)y = f(x) can be solved by finding an integrating factor (2) = (1) Given the equation zy' + (1 + 2x) y = 8xe -2- find y(x) = xe^(2x) (2) Then find an explicit general solution with...
Entered Answer Preview Result 2*(y^2)-[(x^2)/2] 2oy2 correct y = sqrt(([(x^2)/2]+7.5)/2) correct y = [([(x^2)/2]+4)^(1/2)] incorrect At...
Entered Answer Preview Result 2*(y^2)-[(x^2)/2] 2oy2 correct y = sqrt(([(x^2)/2]+7.5)/2) correct y = [([(x^2)/2]+4)^(1/2)] incorrect At least one of the answers above is NOT correct. (1 point) Solve the differential equation dx 4y a. Find an implicit solution and put your answer in the following form: 2y^2-(x^2/2) = constant b. Find the equation of the solution through the point (x, y) = (1, 2). Your answer should be of the form y = f(x). y=sqrt((((x^2y/2)+7.5)/2) c. Find the equation of...
Results for this submission Entered Answer Preview Result -k (y-a) -k(y - a) correct correct -kt ...
Results for this submission Entered Answer Preview Result -k (y-a) -k(y - a) correct correct -kt a +(1-a) e correct 65 65 incorrect At least one of the answers above is NOT correct (1 point) As you know, when a course ends, students start to forget the material they have learned. One model (called the Ebbinghaus model) assumes that the rate at which a student forgets material is proportional to the difterence between the material currently remembered and some positive...
This is incorrect Entered Answer Preview [(5*y[sqrt(x^2)+(y^2))]]*-[(5*x)/[sqrt(x^2)+(y^2)]]*i Sy √x² + 2 5x √x² + y (1...
This is incorrect
Entered Answer Preview [(5*y[sqrt(x^2)+(y^2))]]*-[(5*x)/[sqrt(x^2)+(y^2)]]*i Sy √x² + 2 5x √x² + y (1 point) Write a formula for a two-dimensional vector field which has all vectors of length 1 and perpendicular to the position vector at that point. V = (5y/sqrt(x^2+y^2)i-(5x/sqrt(x^2+y^2))]
Please explain, thank you! Results for this submission Entered Answer Preview Result [(-2/5)*(x^2)+(-4/25)*x+(-152/375)]*[e^(2x)] incorrect The answer...
Please explain, thank you!
Results for this submission Entered Answer Preview Result [(-2/5)*(x^2)+(-4/25)*x+(-152/375)]*[e^(2x)] incorrect The answer above is NOT correct. (1 point) Use the method of undetermined coefficients to find one solution of y" +3 y' – 5 y=(-6x2 – 80 – 8) e21. y= ((-2/5)x^(2)+(-4/25)x+(-152/375))e^(2x) help (formulas) Note: The method finds a specific solution, not the general one. Do not include the complementary solution in your answer. Preview My Answers Submit Answers Your score was recorded. You have attempted...
Results for this submission Entered Answer Preview 58.0416 32 V3 (1 point) Find SC F -...
Results for this submission Entered Answer Preview 58.0416 32 V3 (1 point) Find SC F - dřwhere is a circle of radius 2 in the plane 1 + y +z=9, centered at (3,4, 2) and oriented clockwise when viewed from the origin, if F = yi - 23+4(y - 3) k SCF. dr = 32pi/sqrt3
Results for this submission Entered Answer Preview Result (1/[(S+2)^3])-[1/([4*(S+2)]^2)]+(1/[4*(s^2)]) _1 (s + 2)3 __1 (4(8 +...
Results for this submission Entered Answer Preview Result (1/[(S+2)^3])-[1/([4*(S+2)]^2)]+(1/[4*(s^2)]) _1 (s + 2)3 __1 (4(8 + 2))2 1 492 incorrect The answer above is NOT correct. (1 point) Find the Laplace transform of f(t) =tlte 27 dt Jo F(s) = (1/(5+2)^3)-1(4(5+2)^2+11(45^2) . Preview My Answers Submit Answers Your core we recorded
Entered Answer Preview Result sqrt([4-sqrt(x^2)+1)+23973) 4V 22 +1 +239 3 incorrect V The answer above is NOT correct. (1 point) Solve the initial value problem: 42-6yza+make=0, (0) = -8 y() = sqrt((4sqrt(x^2+1)+23973)
Entered Answer Preview Result sech (**) 4x3 tann?(x) [([sech(x^(1/4))]^2)/(4* [x^(3/4)]* (ſtanh(x^(1/4))]^2)] incorrect The answer above is NOT correct. (1 point) If f(x) = tanh- va then f'(x) = -(sech^2(x^(1/4))/(4x^(3/4)tanh^2(x^(1/4)))) Preview My Answers Submit Answers Your score was recorded. You have attempted this problem 5 times. You received a score of 0% for this attempt. Your overall recorded score is 0%. You have unlimited attempts remaining. HW-2: Problem 3 Previous Problem Problem List Next Problem (1 point) If f(x) = x...
(1 point) Solve the separable differential equation dx Subject to the initial condition: y(0)-7. sqrt(11/4(sqrt(xA2+1))+47/4)
Results for this submission Entered Answer Preview X*[e^(2x)] 2e2z (8/3)*(x^3)+C 2 223 + c At least one of the answers above is NOT correct. 1 of the questions remains unanswered. (1 point) A first order linear equation in the form y' + P(x)y = f(x) can be solved by finding an integrating factor (2) = (1) Given the equation zy' + (1 + 2x) y = 8xe -2- find y(x) = xe^(2x) (2) Then find an explicit general solution with...
Entered Answer Preview Result 2*(y^2)-[(x^2)/2] 2oy2 correct y = sqrt(([(x^2)/2]+7.5)/2) correct y = [([(x^2)/2]+4)^(1/2)] incorrect At least one of the answers above is NOT correct. (1 point) Solve the differential equation dx 4y a. Find an implicit solution and put your answer in the following form: 2y^2-(x^2/2) = constant b. Find the equation of the solution through the point (x, y) = (1, 2). Your answer should be of the form y = f(x). y=sqrt((((x^2y/2)+7.5)/2) c. Find the equation of...
Results for this submission Entered Answer Preview Result -k (y-a) -k(y - a) correct correct -kt a +(1-a) e correct 65 65 incorrect At least one of the answers above is NOT correct (1 point) As you know, when a course ends, students start to forget the material they have learned. One model (called the Ebbinghaus model) assumes that the rate at which a student forgets material is proportional to the difterence between the material currently remembered and some positive...
This is incorrect
Entered Answer Preview [(5*y[sqrt(x^2)+(y^2))]]*-[(5*x)/[sqrt(x^2)+(y^2)]]*i Sy √x² + 2 5x √x² + y (1 point) Write a formula for a two-dimensional vector field which has all vectors of length 1 and perpendicular to the position vector at that point. V = (5y/sqrt(x^2+y^2)i-(5x/sqrt(x^2+y^2))]
Please explain, thank you!
Results for this submission Entered Answer Preview Result [(-2/5)*(x^2)+(-4/25)*x+(-152/375)]*[e^(2x)] incorrect The answer above is NOT correct. (1 point) Use the method of undetermined coefficients to find one solution of y" +3 y' – 5 y=(-6x2 – 80 – 8) e21. y= ((-2/5)x^(2)+(-4/25)x+(-152/375))e^(2x) help (formulas) Note: The method finds a specific solution, not the general one. Do not include the complementary solution in your answer. Preview My Answers Submit Answers Your score was recorded. You have attempted...
Results for this submission Entered Answer Preview 58.0416 32 V3 (1 point) Find SC F - dřwhere is a circle of radius 2 in the plane 1 + y +z=9, centered at (3,4, 2) and oriented clockwise when viewed from the origin, if F = yi - 23+4(y - 3) k SCF. dr = 32pi/sqrt3
Results for this submission Entered Answer Preview Result (1/[(S+2)^3])-[1/([4*(S+2)]^2)]+(1/[4*(s^2)]) _1 (s + 2)3 __1 (4(8 + 2))2 1 492 incorrect The answer above is NOT correct. (1 point) Find the Laplace transform of f(t) =tlte 27 dt Jo F(s) = (1/(5+2)^3)-1(4(5+2)^2+11(45^2) . Preview My Answers Submit Answers Your core we recorded
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