Unformatted text preview: way to solve it: let u ( x ) = y ′ ( x ) and solve the resulting ±rst order linear equation for u ( x ). You should see that the same solution occurs both ways. Section 4.3: • 6. *(a), *(b), (e), *(f), (i) • 8. • 9. (a) (solve as a series in powers of x ), (b) 1...
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 Fall '07
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