What is the general equation of an ellipse with center (h,k), major axis of length 2a, and minor axis of length 2b?
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What is the limit of [(3x^2 + 2x - 5)/(5x^2 - 3x + 1)] as x approaches 2?
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What is the congruence rule for proving two triangles are congruent if two angles and the included side of one triangle are congruent to two angles and the included side of another triangle?