• JEE Main & Advanced
• 
• 11th
• 
• Mathematics
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Q.

If the pair of lines \(x^2 - 2pxy - y^2 = 0\) and  \(x^2 - 2qxy - y^2 = 0\) are such that each pair bisects the angle between the other pair, then pq equals.

(a) \(-1 \)

(b) 0

(c) 1

(d) 2