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The equation x^(2)-3 x y+lambda y^(2)+3 ...

The equation `x^(2)-3 x y+lambda y^(2)+3 x-5 y+2=0`, whose `lambda` is a real number, represents a pair of lines. If `theta` is the angle between the lines then `operatorname(cosec)^(2) theta=`

A

3

B

9

C

10

D

100

Text Solution

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The correct Answer is:
C
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HIMALAYA PUBLICATION-Pair Of Lines-QUESTION BANK
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