What is the basis of vectors in the subspace generated by {(2, 4), (-1, 2)}?
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Math question: In triangle ABC, the measure of angle A is 60Β°, and its angle bisector, AD, intersects side BC at point D. If the length of BD is 8 cm, what is the length of DC?
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What is the limit of (3x^2 - 2x + 1)/(x^2 + 5x + 6) as x approaches -2?