Evaluate the limit: lim (x -> 0) (x^2)/(sin(x))

Practice Questions

Q1
Evaluate the limit: lim (x -> 0) (x^2)/(sin(x))
  1. 0
  2. 1
  3. Infinity
  4. Undefined

Questions & Step-by-Step Solutions

Evaluate the limit: lim (x -> 0) (x^2)/(sin(x))
  • Step 1: Understand the limit we want to evaluate: lim (x -> 0) (x^2)/(sin(x)).
  • Step 2: Recall that as x approaches 0, the value of sin(x) gets very close to x.
  • Step 3: Rewrite the limit using this knowledge: lim (x -> 0) (x^2)/(sin(x)) is similar to lim (x -> 0) (x^2)/x.
  • Step 4: Simplify (x^2)/x to get x, so now we have lim (x -> 0) x.
  • Step 5: As x approaches 0, the value of x also approaches 0.
  • Step 6: Therefore, the limit lim (x -> 0) (x^2)/(sin(x)) equals 0.
  • Limit Evaluation – Understanding how to evaluate limits, particularly using the behavior of functions as they approach a specific point.
  • Sine Function Approximation – Recognizing that sin(x) can be approximated by x for small values of x, which is crucial for evaluating limits involving trigonometric functions.
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