lim xl0 sx 1 sin2 2x 0 lim xl0 x 4 cos 2 x 0. 2x tx x x
Chapter 1, Problem 1.4.29(choose chapter or problem)
lim xl0 sx 1 sin2 2x 0 lim xl0 x 4 cos 2 x 0. 2x tx x x limxl1 tx 4 x 2 2 limxl4 f x 4x 9 fx x x
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