Conic Sections Question 161
Question: The focal chord to $ y^{2}=16x $ is tangent to $ {{(x-6)}^{2}}+y^{2}=2 $ , then the possible value of the slope of this chord, are
[IIT Screening 2003]
Options:
A) $ {-1,\ 1} $
B) {-2, 2}
C) {-2, 1/2}
D) {2, -1/2}
Show Answer
Answer:
Correct Answer: A
Solution:
From diagram, $ \theta =45^{o} $
therefore Slope = $ \pm 1 $ .