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Let C be the locus of the circumcentre o...

Let C be the locus of the circumcentre of a variable traingle having sides Y-axis ,y=2 and ax+by=1, where (a,b) lies on the parabola `y^2=4lamdax`.
For `lamda=2` , the product of coordinates of the vertex of the curve C is

A

-8

B

-6

C

6

D

8

Text Solution

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The correct Answer is:
B
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ARIHANT MATHS-PARABOLA-Exercise (Passage Based Questions)
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  2. Consider a parabola P touches coordinate axes at (4,0) and (0,3). Eq...

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  3. Let C be the locus of the circumcentre of a variable traingle having s...

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  4. Find dy/dx if y^2=4lamdax

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  5. The locus of the circumcenter of a variable triangle having sides the ...

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  6. The focus of the parabola x^2-8x+2y+7=0 is

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  7. The focus of the parabola x^2-8x+2y+7=0 is

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  8. Consider a parabola x^2-4xy+4y^2-32x+4y+16=0. The focus of the parab...

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  9. If l and m are variable real numbers such that 5l^2-4lm+6m^2+3l=0, the...

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  10. If l and m are variable real numbers such that 5l^2-4lm+6m^2+3l=0, the...

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  11. Find the slope of tangent to the curve if equation of the curve is y^2...

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  12. Find the slope of normal to the curve if equation of the curve is y^2=...

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  13. Find dy/dx if y^2=10x

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  14. Tangent to the parabola y=x^(2)+ax+1 at the point of intersection of t...

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  15. Tangent to the parabola y=x^2+ax+1 at the point of intersection of the...

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  16. Tangent to the parabola y=x^(2)+ax+1 at the point of intersection of t...

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  17. Find the slope of tangent to the curve if equation of the curve is x^2...

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  18. A parabola (P) touches the conic x^2+xy+y^2-2x-2y+1=0 at the points w...

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  19. A parabola (P) touches the conic x^2+xy+y^2-2x-2y+1=0 at the points w...

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  20. y=3x is tangent to the parabola 2y=ax^2+b. The minimum value of a+b i...

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