What is the limit of (sin(x) - x)/(x^3) as x approaches 0 using L'Hospital's Rule?
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What is the equation of a hyperbola with a center at (0,0), vertices at (±6,0), and foci at (±√61,0)?
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What is the resultant displacement when a vector of magnitude 10m is added to another vector of magnitude 8m, given their directions are 45° and 60° respectively?