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# 7. Y1' =2Y1 - Yz + Inx Yz' = 4y1 - 2Y28. y" - (3 cotx)y' - Zy=0. Note that Y1 = cos xis one solution....

## Question

###### 7. Y1' =2Y1 - Yz + Inx Yz' = 4y1 - 2Y28. y" - (3 cotx)y' - Zy=0. Note that Y1 = cos xis one solution.

7. Y1' =2Y1 - Yz + Inx Yz' = 4y1 - 2Y2 8. y" - (3 cotx)y' - Zy=0. Note that Y1 = cos xis one solution.

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