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lim_(x rarr oo)(2x^(2)-13 x+1)/(3e^(19 x)+2x)

limx2x213x+13e19x+2x \lim _{x \rightarrow \infty} \frac{2 x^{2}-13 x+1}{3 e^{19 x}+2 x}

Full solution

Q. limx2x213x+13e19x+2x \lim _{x \rightarrow \infty} \frac{2 x^{2}-13 x+1}{3 e^{19 x}+2 x}
  1. Identify highest power: Identify the highest power of xx in the numerator and denominator.\newlineIn the numerator, it's x2x^2. In the denominator, it's e19xe^{19x}.
  2. Neglect terms with xx: Since e19xe^{19x} grows much faster than any power of xx, the terms with xx in the denominator become negligible as xx approaches infinity.\newlineSo, we can ignore the 2x2x term in the denominator.
  3. Compare coefficients: Now, we look at the coefficients of the highest powers. The limit becomes the coefficient of x2x^2 in the numerator divided by the coefficient of e19xe^{19x} in the denominator as xx approaches infinity.
  4. Calculate the limit: The coefficient of x2x^2 is 22, and the coefficient of e19xe^{19x} is 33. So, the limit is 23\frac{2}{3}.

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