1
JEE Main 2016 (Online) 9th April Morning Slot
+4
-1
A circle passes through (−2, 4) and touches the y-axis at (0, 2). Which one of the following equations can represent a diameter of this circle?
A
4x + 5y − 6 = 0
B
2x − 3y + 10 = 0
C
3x + 4y − 3 = 0
D
5x + 2y + 4 = 0
2
JEE Main 2016 (Offline)
+4
-1
Out of Syllabus
The centres of those circles which touch the circle, $${x^2} + {y^2} - 8x - 8y - 4 = 0$$, externally and also touch the $$x$$-axis, lie on :
A
a circle
B
an ellipse which is not a circle
C
a hyperbola
D
a parabola
3
JEE Main 2016 (Offline)
+4
-1
If one of the diameters of the circle, given by the equation, $${x^2} + {y^2} - 4x + 6y - 12 = 0,$$ is a chord of a circle $$S$$, whose centre is at $$(-3, 2)$$, then the radius of $$S$$ is :
A
$$5$$
B
$$10$$
C
$$5\sqrt 2$$
D
$$5\sqrt 3$$
4
JEE Main 2015 (Offline)
+4
-1
Locus of the image of the point $$(2, 3)$$ in the line $$\left( {2x - 3y + 4} \right) + k\left( {x - 2y + 3} \right) = 0,\,k \in R,$$ is a :
A
circle of radius $$\sqrt 2$$.
B
circle of radius $$\sqrt 3$$.
C
straight line parallel to $$x$$-axis
D
straight line parallel to $$y$$-axis
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