Question
Mathematics Question on Three Dimensional Geometry
For l ∈ R, the equation (2l - 3) x2 + 2lxy - y2 = 0 represents a pair of distinct lines
A
only when l = 0
B
for all values of l ∈ (-3, 1)
C
for all values of l ∈ R - (0, 1)
D
for all values of l ∈ R - (-3, 1)
Answer
for all values of l ∈ R - (-3, 1)
Explanation
Solution
The correct option is: (D) for all values of l ∈ R - (-3, 1)