(2a + 5b + 3c)2 + (5b + 3c - a)2 - 2 (2a + 5b + 3c) (5b + 3c - a) এর সরলকৃত রূপ কোনটি?
Answer: D - 9a2
Detailed explanations are only viewable to logged-in users.
Login with Sothik ID