A) 10
B) 9
C) 41
D) 18
Correct Answer: A
Solution :
We know, if P is any point on the curve, then Sum of focal distances = length of major cixis i.e. \[SP+SP=2a\] \[=2\,(5)\] \[[\because \,\,{{a}^{2}}={{5}^{2}}]\] \[=10\]You need to login to perform this action.
You will be redirected in
3 sec