Question: fdz dz 3x sin t Determine when 1 . = In(x + 3y) cost - dt dt x + 3y z = x In(x +










\fdz dz 3x sin t Determine when 1 . = In(x + 3y) cost - dt dt x + 3y z = x In(x + 3y) O dz x cost - 3x sint 2 . at = In(x + 3y) cost + x + 3y and r = sint , y = cost . dz x sint - 3x cost 3 . It = In(x + 3y) sint + x + 3y O dz x(sint - cost) 4. dt = In(x + 3y) cost + x + 3y O dz In(x + 3y) sint - 3x cost 5. dt x + 3y
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