Răspuns :
Salut,
[tex](-2)^{2020}=[(-1)\cdot 2]^{2020}=(-1)^{2020}\cdot 2^{2020}=[(-1)^2]^{1010}\cdot 2^{2020}=\\\\=1^{1010}\cdot 2^{2020}=1\cdot 2^{2020}=2^{2020}[/tex]
Ai înțeles ?
Green eyes.
Salut,
[tex](-2)^{2020}=[(-1)\cdot 2]^{2020}=(-1)^{2020}\cdot 2^{2020}=[(-1)^2]^{1010}\cdot 2^{2020}=\\\\=1^{1010}\cdot 2^{2020}=1\cdot 2^{2020}=2^{2020}[/tex]
Ai înțeles ?
Green eyes.