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1
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
The two circles x2 + y2 = ax, and x2 + y2 = c2 (c > 0) touch each other if
A
| a | = c
B
a = 2c
C
| a | = 2c
D
2 | a | = c
2
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
The circle $${x^2} + {y^2} = 4x + 8y + 5$$ intersects the line $$3x - 4y - m$$ at two distinct points if
A
$$ - 35 < m < 15$$
B
$$ 15 < m < 65$$
C
$$ 35 < m < 85$$
D
$$ - 85 < m < -35$$
3
AIEEE 2009
MCQ (Single Correct Answer)
+4
-1
If $$P$$ and $$Q$$ are the points of intersection of the circles
$${x^2} + {y^2} + 3x + 7y + 2p - 5 = 0$$ and $${x^2} + {y^2} + 2x + 2y - {p^2} = 0$$ then there is a circle passing through $$P,Q $$ and $$(1, 1)$$ for:
A
all except one value of $$p$$
B
all except two values of $$p$$
C
exactly one value of $$p$$
D
all values of $$p$$
4
AIEEE 2008
MCQ (Single Correct Answer)
+4
-1
The point diametrically opposite to the point $$P(1, 0)$$ on the circle $${x^2} + {y^2} + 2x + 4y - 3 = 0$$ is
A
$$(3, -4)$$
B
$$(-3, 4)$$
C
$$(-3, -4)$$
D
$$(3, 4)$$
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