Exercises 8386 refer to Figure 19. Length QR is called the subtangent at P, and length RT

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Exercises 83–86 refer to Figure 19. Length QR is called the subtangent at P, and length RT is called the subnormal.

y Q P=(x, f(x)) R y=f(x) Tangent line T -X

Show that for n ≠ 0, the subtangent of ƒ(x) = xat x = c is equal to c.

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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