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)