If the chord of contact of the point (1, -2) with respect to the ellipse 4x2+5y2=20 is ax+by+c=0 then the ascending order of a, b, c is

1. a, b, c

2. c, b, a

3. c, a, b

4. b, a, c

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Correct Answer :

c, b, a

Explanation :
No Explanation available for this question

In ΔABC, if a=5,A=300, then the circumradius is

1. 4

2. 3

3. 6

4. 5

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Correct Answer :

Explanation :
No Explanation available for this question

If the polar of (2, -1) with respect to the ellipse 3x2+4y2=12 is ax+by+c=0 then the ascending order of a, b, c is

1. a, b, c

2. c, b, a

3. c, a, b

4. b, a, c

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Correct Answer :

c, b, a

Explanation :
No Explanation available for this question

1. 0

2. 1

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Correct Answer :

Explanation :
No Explanation available for this question

If the length of each side of an equilateral triangle is 10cm, then its circumradius is

1. 10√3

2. 3√10

3. 3/√10

4. 10/√3

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Correct Answer :

10/√3

Explanation :
No Explanation available for this question

1. 4

2. -4

3. 8

4. -8

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Correct Answer :

-8

Explanation :
No Explanation available for this question

The diameter of the circumcircle of the triangle whose sides 61,60,11 is

1. 61

2. 60

3. 11

4. 50

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Correct Answer :

Explanation :
No Explanation available for this question

If the equation of the pair of tangents drawn from (1, 2) on the ellipse x2+2y2=2 is 3x2-4xy-y2+ax+by+c=0 then the ascending order of a, b, c is

1. a, b, c

2. b, c, a

3. c, a, b

4. b, a, c

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Correct Answer :

c, a, b

Explanation :
No Explanation available for this question

1. 5/2

2. 2/5

3. 7/5

4. 4/5

View Answer

Correct Answer :

4/5

Explanation :
No Explanation available for this question

1. 0

2. 1

3. -1

4. none

View Answer

Correct Answer :

-1

Explanation :
No Explanation available for this question

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