Limits, Continuity & Differentiability
General
Grade 12

Question:

<p>If limα→0 ecos(αn)−e αm = −e/2, find m/n.</p>

Step-by-Step Solution

Key Concept: General
<p>Numerator \approxe(e-\alpha2n/2 -1) \approx-e\alpha2n/2. Comparing with \alpham, m = 2n =\Rightarrow m/n = 2.</p>
Correct Answer: (2)

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