Math, asked by trickstertricksmail, 8 months ago

Sufficient condition for a general equation of second degree
i.e. ax2+2hxy+by2+2gx+2fy+c=0
to represent a pair of straight lines is that
abc+2fgh−af2−bg2−cf2=0
I am not able to work out why
pls explain

Answers

Answered by chhayag39
1

Answer:

Step-by-step explanation:

Pair of Straight Lines. The equation ax2 + 2hxy + by2 + 2gx + 2fy + c = 0. Represents a second degree equation where a, h, b doesn't variables simultaneously.

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