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x²y" + xy' +9y = -tan (3lnx)
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x²y" + xy' +9y = -tan (3lnx)
Posted:
Wed Jul 06, 2022 12:37 pm
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answerhappygod
X Y Xy 9y Tan 3lnx 1 (3.83 KiB) Viewed 10 times
x²y" + xy' +9y = -tan (3lnx)