If A= <7 ,-5 ,1 >A=<7,−5,1> and B= <28 ,6 ,7 >B=<28,6,7>, what is A*B -||A|| ||B||A⋅B−||A||||B||?
1 Answer
May 2, 2017
Explanation:
For a vector
From the above,
Therefore,
For a vector
From the above,
Therefore,