Saturday, September 27, 2008

Analytical geometry - Combination problems

Problems that require concepts from two or more chapters

The radius of the circle passing through the foci of the ellipse

x²/16 + y²/9 = 1 and having its centre at (0,3) is

a. 4
b. 3
c. √12
d. 7/2

JEE 1995

5 comments:

Unknown said...

is the ans 4

Unknown said...

sir please reveal the solution

The Analyst said...

Abhimanyu

The answer is definitely 4......
(A very stupid question, actually)

(But again, the q's that one can solve easily seem to be stupid.)

Dipak said...

The answer should be 5/2

Unknown said...

4