Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES)
If `hat a, hatb, hatc` are unit vectors, then the number of integers in the range of the expression`|2hata-3hatb|^2+|2hatb-3hatc|^2+|2hatc-3hata|^2` is- - Sarthaks eConnect
