Few hard integrations in Dif.equation solution

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SUMMARY

The discussion centers on solving two differential equations, specifically z(t) + (-tz + 3t)dt=0 and another equation provided in an attachment. The user attempted to solve these equations using the substitution rule but encountered difficulties in obtaining the correct answers. Forum members emphasized the importance of showing work to identify errors and suggested clarifying whether z is a function or a constant to facilitate assistance.

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Homework Statement



First

z(t) + (-tz + 3t)dt=0

Second:

in attachment

Homework Equations



How can one solve hose integrations I was faced as one part in solving Dif. equation.

The Attempt at a Solution



I have tried to soleve bouth of them by usin substitution rule but I have failed do gain the right answers. I must have been making some silly and repeating error.
 

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Hello tiam77, welcome to Physicsforums!

Forum policy is for the helpers to not give help if you do not show us any work - Saying you tried something is good, show us what exactly you did. We can't help you if we can't see where you are going wrong?

For the first one, is z a function or a constant?

For the second one, the substitution seems fairly obvious. What did you try to use? Show us what you did!
 

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