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P is a variable point on the line L=0. T...

P is a variable point on the line L=0. Tangents are drawn to the circle `x^(2)+y^(2)=4` from P to touch it at Q and R. The parallelogran PQSR is completed.
If P-=(6,8) then area of `DeltaQRS` is `(192)/(25)sqrtlamda` sq units. The value of `lamda` is

A

2

B

3

C

5

D

6

Text Solution

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The correct Answer is:
D
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ARIHANT MATHS-CIRCLE -Exercise (Passage Based Questions)
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  5. P is a variable point on the line L=0 . Tangents are drawn to the circ...

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  6. Equation of the circumcircle of a triangle formed by the lines L(1)=0,...

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  7. Equation of the circumcircle of a triangle formed by the lines L(1)=0,...

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  8. Equation of the circumcircle of a triangle formed by the lines L(1)=0,...

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  9. Give two circles intersecting orthogonally having the length of commo...

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  10. Given two circles intersecting orthogonally having the length of commo...

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  11. Given two circles intersecting orthogonally having the length of commo...

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  13. Consider the two circles C(1):x^(2)+y^(2)=a^(2)andC(2):x^(2)+y^(2)=b^(...

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  14. Find the derivative of (px + q)/(rx + s) , where p,q,r and s are non z...

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  15. Two variable chords AB and BC of a circle x^(2)+y^(2)=a^(2) are such t...

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  16. Two variable chords AB and BC of a circle x^(2)+y^(2)=a^(2) are such t...

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  17. Two variable chords AB and BC of a circle x^(2)+y^(2)=a^(2) are such t...

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