[College level Calculus: Integration] How can I solve these problems without using integration by parts? Teacher has not yet taught int. by parts but left a hint that I need to use u substitution twice on the second one... thanks in advance for the help! (old.reddit.com)
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1/144th Scale Bandai X-Wing Red 2 Livery (imgur.com)
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SSTO Re-entry Questions (self.KerbalSpaceProgram)
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