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Q.The pair of lines ax2+2hxy+by2+2gx+2fy+c=0ax^2 + 2hxy + by^2 + 2gx + 2fy + c = 0 represents a rectangle if

a
h=0h=0, a=ba=b
b
h=0h=0, a=−ba=-b
c
h2=abh^2 = ab, g=f=0g=f=0
d
h=0h=0, g=f=0g=f=0

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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