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If the point `(lambda,lambda+1)` lies inside the region bounded by the curve `x=sqrt(25+y^2)` and `y-a xi s ,` then `lambda` belongs to the interval `(-1,3)` (b) `(-4,3)` (c) `(-oo,-4)uu(3,oo)` (d) none of these

A

(-4, 3)

B

`(-oo, -1) uu(3, oo)`

C

(-1, 3)

D

none of these

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The correct Answer is:
C
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OBJECTIVE RD SHARMA-CIRCLES-Exercise
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  2. IF (alpha, beta) is a point on the chord PQ of the circle x^(2)+y^(2)=...

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  3. If the point (lambda,lambda+1) lies inside the region bounded by the c...

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  4. The range of values of r for which the point (-5+r/sqrt2,-3+r/sqrt2) i...

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  5. The abscissa of the two points A and B are the roots of the equation x...

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  6. Three sided of a triangle have equations L1-=y-mi x=o; i=1,2a n d3. Th...

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  7. if y = mx is a chord of a circle of radius a and the diameter of the c...

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  8. 18. The straight lines joining the origin to the points of intersectio...

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  9. Find the locus of the point of intersection of tangents to the circle ...

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  10. If the chord of contact of tangents from a point (x1, y1) to the circl...

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  11. The circle S1 with centre C1 (a1, b1) and radius r1 touches externall...

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  12. Two vertices of an equilateral triangle are (-1,0) and (1, 0), and its...

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  13. If the sum of the coefficient in the expansion of (alpha^2x^2-2alphax+...

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  14. Tangents PT1, and PT2, are drawn from a point P to the circle x^2 +y^2...

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  15. The value of theta in [0, 2pi] so that circle x^(2)+y^(2)+2 (sin alpha...

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  16. The value of alpha in [0,2pi] so that x^(2)+y^(2)+2sqrt(sin alpha )...

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  17. If in a DeltaABC (whose circumcentre is at the origin), a leq sinA ,...

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  18. If P is a point such that the ratio of the squares of the lengths of t...

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  19. If C(1),C(2),C(3),... is a sequence of circles such that C(n+1) is the...

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  20. If r1a n dr2 are the radii of the smallest and the largest circles, re...

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