Limits, Continuity & Differentiability
General
Grade 12

Question:

<p>If limx→0 eax−cos(bx)−cxe−cx 2 1−cos 2x = 17, find 5a2 + b2.</p>

Step-by-Step Solution

Key Concept: General
<p>Expansion leads to 5a2 + b2 = 4 \times 17 = 68.</p>
Correct Answer: (3)

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