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If a point P has co-ordinates `(0, -2) and Q` is any point on the circle`x^2+y^2-5x-y+5=0,` then the maximum value of `(PQ)^2` is : (a) `(25+sqrt6)/2` (b) `14+5sqrt3` (c) `(47+10sqrt6)/2` (d) `8+5sqrt3`

A

`(25+sqrt6)/2`

B

`14+5sqrt3`

C

`(47+10sqrt6)/2`

D

`8+5sqrt3`

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The correct Answer is:
B
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If a point P has co-ordinates (0,-2) and Q is any point on the circle x^(2)+y^(2)-5x-y+5=0, then the maximum value of (PQ)^(2) is :( a) (25+sqrt(6))/(2) (b) 14+5sqrt(3)(c)(47+10sqrt(6))/(2) (d) 8+5sqrt(3)

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DISHA PUBLICATION-CONIC SECTIONS-Exercise-2 : Concept Applicator
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  4. Let AB be a chord of the circle x^(2) +y^(2) =r^(2) subtending a right...

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