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Write out the first four terms of y1 and y2: a. (2+x^2)y" - xy' + 4y...

Write out the first four terms of y1 and y2:

a. (2+x^2)y" - xy' + 4y = 0, x0 = 0

b. (1-x)y" + xy' - y = 0, x0 = 0

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