At the craft store, Amelia bought a bag of purple and yellow marbles. She received 75 marbles in all. 15 of the marbles were pur
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Step-by-step explanation:
The given equation is
As a check for exactness we have
Hence the given equation is an exact differential equation and thus the solution is given by
thus the solution is given by
Similarly we have
Comparing both the solutions we infer
Hence the solution becomes
given boundary condition is that it passes through (1,1) hence
thus solution is