Math Problem Statement

Solve

Solution

The image you uploaded contains a mathematical expression involving a series of limits and a question asking to determine the values of α\alpha and β\beta in a particular context.

To solve this problem, let's go through the steps and concepts used to determine the values of α\alpha and β\beta.

  1. Given Expression: limx0f(x)x=α\lim_{x \to 0} \frac{f(x)}{x} = \alpha limx0g(x)x=β\lim_{x \to 0} \frac{g(x)}{x} = \beta We are asked to evaluate the expression limx0f(x)g(x)x2\lim_{x \to 0} \frac{f(x)g(x)}{x^2}.

  2. Rewriting the Given Expression: We can rewrite the limit expression for limx0f(x)g(x)x2\lim_{x \to 0} \frac{f(x)g(x)}{x^2} as: limx0f(x)g(x)x2=limx0(f(x)xg(x)x)\lim_{x \to 0} \frac{f(x)g(x)}{x^2} = \lim_{x \to 0} \left(\frac{f(x)}{x} \cdot \frac{g(x)}{x}\right) From the given limits: limx0f(x)x=α\lim_{x \to 0} \frac{f(x)}{x} = \alpha limx0g(x)x=β\lim_{x \to 0} \frac{g(x)}{x} = \beta Therefore: limx0f(x)g(x)x2=αβ\lim_{x \to 0} \frac{f(x)g(x)}{x^2} = \alpha \cdot \beta

  3. Conclusion: The limit limx0f(x)g(x)x2\lim_{x \to 0} \frac{f(x)g(x)}{x^2} equals αβ\alpha \cdot \beta. Thus, the values of α\alpha and β\beta are simply multiplied together.

Final Answer:

  • The expression limx0f(x)g(x)x2\lim_{x \to 0} \frac{f(x)g(x)}{x^2} simplifies to αβ\alpha \cdot \beta.

Would you like more details on any specific step, or do you have any other questions?


Here are 5 related questions:

  1. What are the interpretations of limits in calculus?
  2. How do you compute the limit of a product of two functions?
  3. What does it mean if a limit of a function as xx approaches 0 is finite?
  4. How would the result change if limx0f(x)x=0\lim_{x \to 0} \frac{f(x)}{x} = 0?
  5. What are the techniques for evaluating more complex limits involving trigonometric functions?

Tip: When dealing with limits, always check if you can simplify the expression before taking the limit to avoid unnecessary complications.

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Math Problem Analysis

Mathematical Concepts

Limits
Product Rule for Limits

Formulas

\( \lim_{x \to a} (f(x) + g(x)) = \lim_{x \to a} f(x) + \lim_{x \to a} g(x) \)
\( \lim_{x \to a} (f(x) \cdot g(x)) = \lim_{x \to a} f(x) \cdot \lim_{x \to a} g(x) \)
\( \lim_{x \to a} \left( \frac{f(x)}{g(x)} \right) = \frac{\lim_{x \to a} f(x)}{\lim_{x \to a} g(x)}, \text{if } \lim_{x \to a} g(x) \neq 0 \)

Theorems

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Suitable Grade Level

College