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The rectangle formed by the pair of lines $2 h x y + 2 g x + 2 f y + c = 0$ with the coordinate axes has the area equal to

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|fg|h2

|gh|f2

|hf|g2

|fg|h

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detailed solution

Correct option is A

Δ=0 and apply |c|2h2−ab

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The rectangle formed by the pair of lines 2hxy+2gx+2fy+c=0 with the coordinate axes has the area equal to

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Ready to Test Your Skills?

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The rectangle formed by the pair of lines $2 h x y + 2 g x + 2 f y + c = 0$ with the coordinate axes has the area equal to