lim sin2x-sin8x/x
x 0
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sin 2x sin 8x. = lim x→0 (sin 2x x. · x sin 8x). = lim x→0. 2 sin 2x. 2x. · lim x→0. 8x. 8 sin 8x. = 2 lim x→0 sin 2x. 2x. ·. 1. 8 lim x→0. 8x.
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sin 2x sin 8x. = lim x→0 (sin 2x x. · x sin 8x). = lim x→0. 2 sin 2x. 2x. · lim x→0. 8x. 8 sin 8x. = 2 lim x→0 sin 2x. 2x. ·. 1. 8 lim x→0. 8x.
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