Question: Problem 4 For vectors vec ( A ) = - hat ( x ) + 2 hat ( y ) and vec ( B )

Problem 4
For vectors vec(A)=-hat(x)+2hat(y) and vec(B)=4hat(x)+2hat(y),
(a) Calculate |vec(A)| and |vec(B)|.
(b) Calculate vec(A)+vec(B) and vec(A)-vec(B).
(c) Calculate vec(B)-vec(A).
(d) Calculate |vec(A)+vec(B)|.
(e) Find hat(A).
 Problem 4 For vectors vec(A)=-hat(x)+2hat(y) and vec(B)=4hat(x)+2hat(y), (a) Calculate |vec(A)| and

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