1
IIT-JEE 1987
Fill in the Blanks
+2
-0
The area of the triangle formed by the tangents from the point (4, 3) to the circle $${x^2} + {y^2} = 9$$ and the line joining their points of contact is...................
2
IIT-JEE 1987
Subjective
+4
-0
The circle $${x^2}\, + \,{y^2} - \,4x\, - 4y + \,4 = 0$$ is inscribed in a triangle which has two of its sides along the co-ordinate axes. The locus of the circumcentre of the triangle is $$x\, + \,y\, - xy\, + k\,{\left( {{x^2}\, + \,{y^2}} \right)^{1/2}} = 0$$. Find k.
3
IIT-JEE 1987
Subjective
+3
-0
Let a given line $$L_1$$ intersects the x and y axes at P and Q, respectively. Let another line $$L_2$$, perpendicular to $$L_1$$, cut the x and y axes at R and S, respectively. Show that the locus of the point of intersection of the lines PS and QR is a circle passing through the origin.
4
IIT-JEE 1987
Fill in the Blanks
+2
-0
A polygon of nine sides, each of length $$2$$, is inscribed in a circle. The radius of the circle is .................
Paper analysis
Total Questions
Chemistry
17
Mathematics
27
Physics
1
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