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a fost răspuns

Aflati pe x din egalitatea: [(2/7)^x]^2:(2/7)^4=(2/7)^16*(2/7)^2

Răspuns :

Dianageorgiana794

Răspuns:

[tex][(2/7)^x]^2:(2/7)^4=(2/7)^{16} *(2/7)^2\\\\2x-4=16+2\\\\2x=18+4\\\\x=22:2= > x=11[/tex]