Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Let `veca=2hati+hatj-2hatk and vecb=hati+hatj` if `vecc` is a vector such that `veca.vecc=|vecc|,|vecc-veca|=2sqrt2` and the angle between `veca xx vecc` and `vecc` is `30^o`, then `|(veca xx vecc)xx vecc|` is equal to - Sarthaks eConnect

Let `veca=2hati+hatj-2hatk and vecb=hati+hatj` if `vecc` is a vector such that `veca.vecc=|vecc|,|vecc-veca|=2sqrt2` and the angle between `veca xx vecc` and `vecc` is `30^o`, then `|(veca xx vecc)xx vecc|` is equal to

`2/3`

`3/2`