1.

A circle touches the parabola y^(2)=2x" at "P(1/2,1) and cuts the parabola at its vertex V. If the centre of the circle is Q, then

Answer»

The radius of the circle is `5//sqrt2` units
The radius of the circle is the MAXIMUM value of `7/4sin3x+1/4cos3x`
Area of `DeltaPVQ" is "15/16` sq. units
Slope of PQ is -2

Answer :B::C


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