logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Browse Questions
Ad
0 votes

The length of the latus rectum of the rectangular hyperbola $xy=32$ is

\[\begin{array}{1 1}(1)8\sqrt{2}&(2)32\\(3)8&(4)16\end{array}\]

Can you answer this question?
 
 

1 Answer

0 votes
The equation of the hyperbola is $xy=32$
$c^2=32$
$\large\frac{a^2}{2}=$$ 32$
$a^2=64$
$a=8$
$2a= 2 \times 8=16$
Hence 4 is the correct answer.
answered May 16, 2014 by meena.p
 
Ask Question
student study plans
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...