1
JEE Main 2018 (Offline)
+4
-1
Let the orthocentre and centroid of a triangle be A(-3, 5) and B(3, 3) respectively. If C is the circumcentre of this triangle, then the radius of the circle having line segment AC as diameter, is :
A
$${{3\sqrt 5 } \over 2}$$
B
$$\sqrt {10}$$
C
$$2\sqrt {10}$$
D
$$3\sqrt {{5 \over 2}}$$
2
JEE Main 2018 (Online) 15th April Evening Slot
+4
-1
The tangent to the circle C1 : x2 + y2 $$-$$ 2x $$-$$ 1 = 0 at the point (2, 1) cuts off a chord of length 4 from a circle C2 whose center is (3, $$-$$2). The radius of C2 is :
A
2
B
$$\sqrt 2$$
C
3
D
$$\sqrt 6$$
3
JEE Main 2018 (Online) 15th April Morning Slot
+4
-1
A circle passes through the points (2, 3) and (4, 5). If its centre lies on the line, $$y - 4x + 3 = 0,$$ then its radius is equal to :
A
2
B
$$\sqrt 5$$
C
$$\sqrt 2$$
D
1
4
JEE Main 2017 (Online) 9th April Morning Slot
+4
-1
The equation
Im $$\left( {{{iz - 2} \over {z - i}}} \right)$$ + 1 = 0, z $$\in$$ C, z $$\ne$$ i
represents a part of a circle having radius equal to :
A
2
B
1
C
$${3 \over 4}$$
D
$${1 \over 2}$$
JEE Main Subjects
Physics
Mechanics
Electricity
Optics
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
Trigonometry
Coordinate Geometry
Calculus
EXAM MAP
Joint Entrance Examination