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Elza [17]
2 years ago
6

Evaluate a1 (r)^n-1 for a1 = 2, r= 3, and n = 4. A. 216 B. 18 C. 32 D. 54

Mathematics
1 answer:
larisa [96]2 years ago
6 0
<h2>Option D</h2>

<h3>a1(r) {}^{n - 1}</h3><h3>Putting values:</h3>

<h3>2(3) {}^{4 - 1}</h3><h3>2(3) {}^{3}</h3><h3>2 \times 27</h3><h3>= 54</h3><h3>Hence, Proved.</h3>
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