Thursday, January 1, 2015

Solve the coordinate equation x* (d^2y/dx^2) + dy/ dx = x^2

You need to consider the derivative as a
function and x as the function , such
that:



x^2


You should notice that the left side summation
represents the product rule, that is used when you need to evaluate the derivative of
the product of two functions, such that:



f'(x)*g(x) = (f(x)*g'(x))'


Hence, the equation you need to
solve is the following, such that:



x^2


You need to integrate both sides with respect to x,
such that:



dx



c


Replacing back x for f(x)
yields:



c


Dividing both sides by x
yields:



c/x


You need to integrate both sides with respect ro x,
such that:



dx



c_2


Hence, evaluating the general solution
to the given second order linear ordinary differential equation, yields

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