K Kirti 🎓 Tutor II ⭐ 10.45K Points Q. The nth terms of the series 3 + 7 + 13 + 21 +………. is (A) 4n – 1 (B) n² + n + 1 (C) n + 2 (D) none of these 👁️ Show Answer 💬 Discuss 🔗 Share ✅ Correct Answer: (B) n² + n + 1