Show that if (x) = px 2 + qx + r is a quadratic polynomial, then S

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Show that if ƒ(x) = px+ qx + r is a quadratic polynomial, then S2 = ∫bƒ(x) dx. In other words, show that

f  f(x) dx =! b-a 6 -(yo+ 4y1 + y2)

; (a+b) where yo = f(a), y = f and y2 = f(b). Show this first for f(x) = 1, x, x and use linearity.

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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