- Cos^2x dx?

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250,000 divided by 10? W^44 + w^45 = ? Options : A)-1 B)-1/w C) 1/(-w^2) or none.
I know that w^3 = 1 the answer is c...how? Can Mucus be produced voluntary by some animals. Or wax voluntary in their ears anytime they want in any quantity.? Who came up for the name for our planet? If the fifth term of a geometric sequence is 81 and the common ratio is 3/4, find the sum of the first 20 terms?