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Mathematics 11 Online
OpenStudy (anonymous):

The diagram shows the points A(1,2) and B(4,4) on the curve y=2 sqrt x. The line BC is the normal to the curve at B, and C lies on the x-axis. Lines AD and BE are perpendicular to the x-axis. (i) find the equation of the normal BC (ii) FInd the area of the shaded region.

OpenStudy (anonymous):

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