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Find the equation of the ellipse in the following case: focus is (1,2), directrix is `3x+4y-5=0\ a n d\ e=1/2dot`

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The correct Answer is:
`11x^2+4y^(2)-24xy -10 x-40y +75=0`
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ICSE-SAMPLE QUESTION PAPER 02-SECTION B
  1. The eccentricity of the ellipse (x^2)/25+(y^2)/9=1 is ,

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  2. If the distance between the points (a,2,1)and (1,-1,1) is 5, then the ...

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  3. If the parabola of y^2=4ax passes through the point (3,2), find the le...

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  4. Find the equation of the hyperbole with eccentricity 5/3 and foci(pm5,...

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  5. Write the negation of the statement sum of 4 and 5 is 10 ?

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  6. Prove that : ~(prArrq)=p^^(~q)

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  7. Write converse and inverse of the given conditional statement: If a...

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  8. Find the equation of the ellipse in the following case: focus is (1,2)...

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  9. Find the eccentricity, coordinates of the foci equations of directrice...

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  10. In what ratio the point P(-2, y, z) divides the line joining the point...

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  11. The wholesale price index (or price relative) of rice in 2012 compare...

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  12. Q(1) is always equal to :

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  13. During a certain period , the cost of living index number goes from 11...

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  14. Find the Q1 and Q2 for the follwing distrbution . 2,4,3,7,8,9,1,14,18,...

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  15. Compute D3 for the following distribution : {:("Marks",0-10,10-20,20...

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  16. The mean weight of 150 students in a certain class is 60 kg. The mean ...

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  17. The length of 50 ears of barley (to the nearest millimeter) gave the f...

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  18. Find the correlation coefficient r(x,y) if : n = 10 ,sumx=60, sumy=...

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  19. Ten students got the following percentages of marks in Mathematics and...

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