Question: (a) Use the change of variable z = In y to solve the nonlinear DE dy / dt + ay = by ln y, where

(a) Use the change of variable z = In y to solve the nonlinear DE dy / dt + ay = by ln y, where a and bare constants.
(b) Use the result from (a) to solve dy / dt + y = y ln y .

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a Letting z ln y we have y e z and dy dt e z dz dt Now the equation dy d... View full answer

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