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Corneliu17
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exercitiul 1 d rezolvati ecuatia in R !!!!!!! Foto

Exercitiul 1 D Rezolvati Ecuatia In R Foto class=

Răspuns :

Spidie
[18:(-3)²-7⁻² * 5,(4)]*(x-1)=√4+2x
[18 : 9 -1/49 *(54-5) /9] *(x-1)=2+2x      
[2 -1/49 *49 /9] *(x-1)=2+2x 
(2 -1/9) *(x-1)=2+2x 
(18/9-1/9)* (x-1)=2+2x
17/9*(x-1)=2+2x
17x/9-17/9=2+2x
17x/9-2x=2-17/9
(17x-18x) /9= (18-17)/9
-x=1
x=-1