Question: What is the unit vector in the direction of vector v = ⟨2, -3⟩?
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What is the limit of the rational expression (2x+3)/(4x^2+5x-2) as x approaches 2?
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What is the standard equation of a hyperbola with a center at (h, k), vertical transverse axis, and foci at (h, k ± c), if the distance between the vertices is 2a?