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Multiple Choice Questions

What is the acute angle between the pair of straight lines x y 1 and x y 2 ........

Mathematics (NDA) Coordinate Geometry

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What is the acute angle between the pair of straight lines $\tiny \sqrt{2}$ x + $\tiny \sqrt{3}$ y = 1 and $\tiny \sqrt{3}$ x+ $\tiny \sqrt{2}$ y=2?

$\tiny tan^{-1} \left (\frac{1}{2\sqrt{6}}\right )$

$\tiny \tiny tan^{-1} \left (\frac{1}{\sqrt{2}}\right )$

tan^-1(3)

$\tiny \tiny \tiny tan^{-1} \left (\frac{1}{\sqrt{3}}\right )$

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By: Munesh Kumari

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