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Daca a×b= -32√6 ; a= -4√3 ; c= -9√2 ; a(b+c)= ?​

Răspuns :

Răspuns:

a(b+c)=a×b+a×c

a(b+c)=(-32rad6)+(-4rad3)×(-9rad2)

a(b+c)=(-32rad6)+36rad6

a(b+c)=4rad6