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i) lim x→3 (4x − 12)/x2-5x+6 ii)lim x→+∞ (e2x-1-x)/x2 iii)limx→0 (sinh(x2))/ cosh x-1 iv) limx→0 sin2x/sin7x

i) lim x→3 (4x − 12)/x2-5x+6

ii)lim x→+∞ (e2x-1-x)/x2

iii)limx→0 (sinh(x2))/ cosh x-1

iv) limx→0 sin2x/sin7x

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