find a point on the parabola y, where the tangent is parallel to the chord joining (4,0) & (5,1)

Asked by  | 28th Jul, 2008, 10:12: PM

Expert Answer:

let the point be (h,k)

then by mean value theorm

dy/dx |(h.k) = slope of line joining (4,0) & (5,1) = 1

2(h-4) = 1

h= 9/2 ==> k = 1/4

Answered by  | 14th Dec, 2008, 01:06: AM

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