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A parallelogram is formed by the lines a...

A parallelogram is formed by the lines `ax^2 + 2hxy + by^2 = 0 ` and the lines through `(p, q)` parallel to them. Show that the equation of the diagonal of the parallelogram which doesn't pass through origin is ` (lamdax-p)(ap + hq) + (µy - q) (hp + bq) = 0 then µ^3+λ^3 is `

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`therefore` Required area `=2sqrt((g^2-ac)/(a(a+b)))`
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