Solve these for me in the next 30min Please!

Cancre

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Math lovers only


Full answers would be nice or a format that can be efficiently plugged into wolfram

Thank you dear math lovers

b) and c) is asking to be put in the format that's shown ( for the non french speaker :p)
 

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Is this a joke? If not, what is your purpose in asking someone to do your homework for you? Is really necessary that you NOT learn differential equations? If so, why in the world are you taking a Differential Equations course? You understand, don't you, that you will be required to do problems like this on a test or final exam? And if you do not know how to do them you will fail that test and fail the class!

Homework has two purposes. The first is to let you practice. The second is to let your teacher know whether you understand the material or not. If you cannot do the homework the teacher will give you additional instruction. By having someone else do the homework you not only do not get the practice but you fool the teacher into not helping you more. The result is simply that you fail the tests and fail the class. Surely that is not your intention!
 
As our title indicates, we give help rather than answers. As our title also indicates, we are free, meaning that we are volunteers who do not work on your schedule.

Show us what you have done, and we will help.
 
Math lovers only Full answers would be nice or a format that can be efficiently plugged into wolfram Thank you dear math lovers

b) and c) is asking to be put in the format that's shown ( for the non french speaker :p)
1606340572971.png

Some hints:

(a) \(\displaystyle \frac{d^2f}{dt^2} \ = \frac{1}{2t+1} \ \ \to \ \ \frac{df}{dt} \ = \frac{1}{2} \log_e(2t+1) \ + C\)

(b) (yx-y)y' = csc(y^2) \(\displaystyle \ \ \to \ \ \ sin(y^2) * y dy = \ \frac{dx}{x - 1} \)

(c) one of those 'dx' should be 'dy' ? Otherwise this is an algebraic equation!
 
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