2021 April(D05) Math Question 1
Sequences and Patterns
- Geometric Sequences
r=26−13=−2r=\frac{26}{-13}=-2r=−1326=−2
∴a6=−13×(−2)6−1=416\therefore a_6=-13 \times (-2)^{6-1}=416∴a6=−13×(−2)6−1=416
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