Equation of pair of lines y = px, y = x written as (y − px)(y − qx) = 0. Equation of pair of angle bisector of line x² − 4xy − 5y² = 0

Options:

(a) x² − 3xy + y² = 0

(b) x² + 3xy − y² = 0

(c) x² + 4xy − y² = 0

(d) x² − 3xy − y² = 0

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10

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