1
IIT-JEE 1984
Fill in the Blanks
+2
-0
If $$a,\,b$$ and $$c$$ are in A.P., then the straight line $$ax + by + c = 0$$ will always pass through a fixed point whose coordinates are ...............
2
IIT-JEE 1984
Subjective
+4
-0
Two equal sides of an isosceles triangle are given by the equations $$7x - y + 3 = 0$$ and $$x + y - 3 = 0$$ and its thirds side passes through the point $$(1, -10)$$. Determine the equation of the third side.
3
IIT-JEE 1984
Fill in the Blanks
+2
-0
The lines 3x - 4y + 4 = 0 and 6x - 8y - 7 = 0 are tangents to the same circle. The radius of this circle is ........................................
4
IIT-JEE 1984
MCQ (Single Correct Answer)
+2
-0.5
The locus of the mid-point of a chord of the circle $${x^2} + {y^2} = 4$$ which subtends a right angle at the origin is
A
x + y = 2
B
$${x^2} + {y^2} = 1$$
C
$${x^2} + {y^2} = 2$$
D
$$x + y $$=1
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