👤

Vectorii
V=2i×j
U=4j+i
2v+5u=?
Va rog repidemie un raspuns?


Răspuns :

2v=2(2i+j)=4i+2j

5u=5(4i+j)=20i+5j
2v+5u=4i+2j+20i+5j=24i+22j