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Let zinC, the set of complex numbers. T...

Let `zinC`, the set of complex numbers. Thenthe equation, `2|z +3i| - |z-i|=0` represents :

A

a circle with radius `8/3`.

B

a circle with diameter `10/3`.

C

an ellipse with length of major axis `16/3`.

D

an ellipse with length of minor axis `16/9`

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The correct Answer is:
A
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DISHA PUBLICATION-CONIC SECTIONS-Exercise-2 : Concept Applicator
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  6. Four distinct points (2k,3k) , (1,0), (0,1) and (0,0) lies on a circl...

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  7. The number of integral values of lambda for which the equation x^2+y^2...

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  9. If from any point P, tangents PT, PT' are drawn to two given circles w...

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  14. Find the area of the triangle formed by the lines joining the vertex o...

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  15. The eccentricities of the ellipse x^(2)/alpha^(2)+y^(2)/beta^(2)=1,alp...

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  16. The middle point of chord x+3y=2 of the conic x^(2)+xy-y^(2)=1, is

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  17. If x^2/a^2+y^2/b^2=1(a>b) and x^2-y^2=c^2 cut at right angles, then:

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  18. If the line x+my+am^(2)=0 touches the parabola y^(2)= 4ax then the pon...

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  20. The equation of one of the common tangent to the parabola y^(2) = 8x a...

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  21. If two circles (x-1)^(2)+(y-3)^(2)=r^(2) and x^(2)+y^(2)-8x+2y+8=0 int...

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