E urgeeent
Maine ma asculta si nu inteleg nimic. Am lipsit de la ore din motive medicale...


E Urgeeent Maine Ma Asculta Si Nu Inteleg Nimic Am Lipsit De La Ore Din Motive Medicale class=

Răspuns :

㏒16 1/64=-㏒16(16·4)=-㏒16 16-㏒16 4=-1-1/㏒4 16=-1-1/2=-3/2
㏒2 ∛32=㏒2 ∛16·2=㏒2 ∛2^5=5/3
suma lor=5/3-3/2=1/6
b) ㏒1/5 (㏒3 243)=㏒1/5(㏒3 (3^5))=㏒1/5 5=㏒1/5 1/1/5=-1
c)㏒4(㏒3(㏒1/2 1/512)=㏒4(㏒3 9)=㏒4 2=1/㏒2 4=1/2