JEE Main 2014MathematicsCircleMediumMCQ

JEE Main 2014Circle Question with Solution

JEE Main 2014 (09 Apr Online)

Question

If the point 1, 4  lies inside the circle x2+y2-6x+10y+p=0 and the circle does not touch or intersect the coordinate axes, then the set of all possible values of p is the interval

Choose an option

Show full solutionCorrect option: B
Correct answer
B25, 29

Step-by-step explanation

x2+y2-6x-10y+p=0

  Centre is 3, 5 and radius is 34-p.

 1, 4 lies inside the circle. 

So, 1+16-6-40+p<0

p<29      ...1   

Circle neither touches nor cut the coordinate axes.
So, radius of circle 34-p<5 (for not touching x- axis ) and 34-p<3 (for not touching y-axis)

 9<p and 25<p 

 p>25   ...2

From equations 1 & 2,

So,  p25, 29

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About this question

This is a previous-year question from JEE Main 2014, covering the Circle chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.