MCQ Practice Mathematics 📖 ভেক্টর u=2i+j-3k ও v=3i-2j-k এর অন্তর্ভূক্ত কোণ- ক 30 ͦখ 45 ͦগ 60 ͦঘ Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up This question appeared in DU KA Unit Question Bank Mathematics 2017-18 Question 21 DU KA Unit Question Bank Mathematics 2017-18 Question 21 DU KA Unit Question Bank Mathematics 2017-18 Question 21