Exercise 1. Find the following limits 2 3x + tan 2x 2x + x tan 2x sin 1) lim 2) lim 5x +x tan 2x 3) lim 2 sin sin x sin(x-1) sin(2x-4) x² -4 sin( 2x - 4) 5) lim 6) lim x→1 x -1 4) lim x2 4-x2 sin 2x - 2 sin x 8) lim sin( 2x) 7) lim 1- cos 2x lim x sin x 9) x0 x -1

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