About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators. Problem 341 Evaluate the line integral of E =xˆ x−yˆ y along the segment P1 to P2 of the circular path shown in the figure x y P1 = (0, 3) P2 = (−3, 0) Solution We need to calculate Z P2 P1 E·dℓℓ Since the path is along the perimeter of a circle, it is best to use cylindrical. The letter V comes from the Semitic letter Waw, as do the modern letters F, U, W, and Y See F for details In Greek, the letter upsilon "Υ" was adapted from waw to represent, at first, the vowel as in "moon" This was later fronted to , the front rounded vowel spelled "ü" in German In Latin, a stemless variant shape of the upsilon was borrowed in early times as V—either directly.
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