For which value of 'p', y^(2)+xy+px^(2)-...

For which value of `'p', y^(2)+xy+px^(2)-x-2y=0` represents a pair of straight lines

A

(a) `2`

B

(b) `1/3`

C

(c) `1/4`

D

(d) `1/2`

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The correct Answer is:

C

NA

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