2. Use the definition of the appropriate limit to show (a) limr→∞(2x² + 4x – 1)/(3r³ + 1) 0. - (b) lim→∞ V3x² + 4/x = /3. (c) lim→-o V3.x² + 4/x = -V3. (d) lim,10(1/x – 1/x²) =

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