§1.7 LINEAR EQUATIONS PROBLEM SET 1.7 In problems 1 - 6, solve each linear equation. State an interval on which the general solution is defined. dy 1. +y = ³ dx 2. x²y + xy = 1 3. xdy = (xsin x - y)dx 4. cos r- + y sin x = 1 dy dx 5. cos a sin zdy + (y cos³x - 1)dx = 0 6. ydx-4(x+y)dy = 0

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