Question

Dado os Vetores  u=2i-3j , v=i-j e w=-2i-j, determine

Answer 1

U= 2i-3j V=i-j W=-2i+j 2u-v 2(2i-3j)-(i-j) (4i-6j)- (i+j) = (3i-5j) V-u+2w (I-j)-(2i-3j)+2(-2i+j) (I-j)-(2i+3j)+(-4i+2j)= (-5i+4j) ½u+2v+w ½(2i-3j)+2(i-j)+(-2i+j) (1i- 3/2j)+(2i-2j)+(-2i+j)= (1i-5/2j) 3u-½v+½w 3(2i-3j)-½(i-j)+½(-2i+j) (6i-9j)-(½i-½j)+(-1i+½j)= (9/2i - 8j)