For the equation 3x^2 u'' + 2xu' = x, u(0) = 0 u(1) = 0, find the approximate solutions at the points x=0.25 x=0.5 and x=0.75 by taking h = 0.25 and finding the real solution calculate the error.   (DON'T USE CHATGPT, ONLY SOLUTIONS BY YOURSELF, THEN I PROMISE I WILL UPWOTE)

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