Answer and explanation

Correct answer: A.

  1. Step 1: Recall the standard limit .
  2. Step 2: Multiply and divide by 4: .
  3. Step 3: As , . Evaluating gives: .
Answer
.
Why not the others: '' is ; '' substitutes into numerator without taking the limit; '' inverts the ratio.

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Evaluate lim x -> 0 ( sin (4x))/x. | EmSAT Achieve (UAE)