M Mr. Dubey 🎓 Coach ⭐ 102.92K Points 📊 Angular Q. Which of the following is not a valid signal operation? (A) computed() (B) effect() (C) watch() (D) reactive() 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (D) reactive() Explanation: `reactive()` is not a built-in signal function; computed and effect are valid.