7. The nth partial sum of the series Σa is given by S 11 n 12-1 Find the 7th term using the sum. Remember: a, = S, - S 00 Show your work in the space provided. n+1 1+2

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Q: 4. Solve dy d.x. 3y² - x² XU . Note: your solution may be left in implicit form.

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Q: 2. Solve the Ordinary Differential Equations (ODE) by the Series method. (x²-x)y"-xy'+y=0

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