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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Maths > Chapter 10 - Straight Lines > 23. Prove that the product of the lengths of the perpendiculars drawn from the points ( sqrt a^2 – b^2,0) and (- sqrt a^2 – b^2,0) to the line x/a cosθ + y/b sinθ = 1 is b^2.

23. Prove that the product of the lengths of the perpendiculars drawn from the points ( sqrt a^2 – b^2,0) and (- sqrt a^2 – b^2,0) to the line x/a cosθ + y/b sinθ = 1 is b^2.

0) and (- sqrt a^2 - b^2 0) to the line x/a cosθ + y/b sinθ = 1 is b^2. 23. Prove that the product of the lengths of the perpendiculars drawn from the points ( sqrt a^2 - b^2