Se da vectorii a(-2;4)si b(2;-3
aflati coordonatele vectorului
a)a+b=
b)a-b=
c)aimultit cu b=
d)2a=

Răspunsul a fost dat de: USER7378
30 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
Se da vectorii a(-2;4)si b(2;-3
aflati coordonatele vectorului
a)a+b=
b)a-b=
c)aimultit cu b=
d)2a=
Întrebare a fost pusă de:
129 Vezi 129 Răspunsuri
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Răspuns (129)

Cel mai bun răspuns
(108)
a+b=(-2+2,4-3)=(0,1)
a-b=(-2-2,4-(-3))=(-4,7)
a*b=(-2*2,4*(-3))=(-4,-12)
2a=(2*-2,2*4)=(-4,8)
Răspunsul a fost dat în data 30 Agustus 2025

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