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tmua.me Medium Set C Paper 1 · Q3

Paper 1Algebra

A point PP lies on the curve

y=x,x>0.y=\sqrt{x},\qquad x>0.

The normal to the curve at PP meets the xx-axis at (92,0)\left(\dfrac92,0\right).

What is the yy-coordinate of PP?

A32\dfrac32
B22
C32\dfrac{3}{\sqrt2}
D94\dfrac94
E44
F92\dfrac92

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