Wednesday, 26 March 2025

The vectors a=(3, x, -1), b =(2, 1, y) are mutually perp, |vec.a|=|vec. b|,find x and y.



 

No comments:

Post a Comment

If find x. 1/(9!) + 1/(10!) = x/(11!).

  Here n! is read as n factorial. It can be written as n(n-1)! or n(n-1)(n-1)!