MIDTERM EXAM 1 Math 19A - Mathematics 1-2-3
MIDTERM EXAM 1 Math 19A - Mathematics 1-2-3
MIDTERM EXAM 1 Math 19A - Mathematics 1-2-3
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8. (15 points) Use the appropriate limit laws and knowledge about specialsin xlimits such as lim = 1 to find the following limits. Justify yourx−→0 xanswer and if a limit does not exist, explain why.(a) (3 points)limx−→∞3x 2 + 12x 3 + 5x − 1(b) (4 points)lim x sin xx−→∞(c) (4 points)√lim 4x2 + x − 2xx−→∞(d) (4 points) limh−→0cos h − 1h7