Mathematics · Mathematical Induction
किसी भी n ∈ N के लिए, 12 × 5 + 15 × 8 + ... + 1(3n - 1)(3n + 2) =
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1n6n2 + 4
- 212 × n26n + 4
- 3n26n + 4
- 4n6n + 4✓
सही उत्तर देखें
n6n + 4
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