Other Math Archive: Questions from April 21, 2022
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Opgave 2: (30 point) a) y' + ycos(x) = 0, find y(x). b) dy = dx + (x + 1)e-*y2, find y(x). c) y' + 6y = 2e-*, find y(x). =1 answer -
1 answer
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Practice Exercises 8–23. Sketching vector fields Sketch the following vector fields. 8. F = (1,0) 9. F = (-1,1) 10. F = (1. y) 11. F = (x,0) 12. F = (-X. -y) 13. F = (x, y) = 14. F= (2x, 3y) 15. F =1 answer -
3 answers
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s) Find and classify all critical points of the function 5 f(x, y, z, W) = x2 + y2 + 3z2 + w2 + 3xy +6xz + 50W + 4yz + 2yw + 5x – 3y +6w. =1 answer -
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Number 22 and 26(if possible)
B) Solve the initial value problems using Laplace transforms. 13. y" - y = 5 sin(2t), y(0) = 3, y'(0) = -1 SOLUTION: Taking the Laplace transform of both sides, 10 sy - sy(0) -VO) - Y = 82Y - 3s +1-Y1 answer