Find the general solution to + 18y" + 81y = 162 + cos6t O y = c1cos18t + c2sin18t + t(c3 cos18t + c4sin18t) + 2 + cos3t 729 O y = c1cos3t + c2sin3t + t² (c3cos3t + c4sin3t) + 2 +sin6t 729 O y = c1cos3t + c2sin3t + t(c3cos18t + c4sin18t) + 2 + 729sin6t O y = c1cos3t + c2 sin3t + t(c3cos3t + c4sin3t) + 2+ cos6t 729 O y = c1cos18t + c2 sin18t + t(c3 cos18t + c4sin18t) + 2 + cos6t 729

Q: 5. If a number plus 4 equals two times 6, what is the number?

A:

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Q: what is half of 3 and how

A: We can solve this as follows:

Q: What does it means to know mathematics?

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A:

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A:

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A:

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