The equation x^2 - 3xy+ lambday^2 + 3x -...

The equation `x^2 - 3xy+ lambday^2 + 3x - 5y + 2 = 0` where `lambda` is a real number,
represents a pair of straight lines. If `theta` is the angle between the lines, then `cosec^2theta =`

A

(a) 3

B

(b) 9

C

(c) 10

D

(d) 100

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The correct Answer is:

C

NA

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