Answer:
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Step-by-step explanation:
Given that

Here


We know that
M dx + N dy=0 will be exact if

So


it means that this is a exact equation.
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Noe by integrating above equation
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Given that
x= 0 then y= 1

C=4
So the our final equation will be
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Answer:
I believe it should be
4 : 1 : 200
Step-by-step explanation:
This answer to this question is 1150 km