Aceyda215rans
Answered

1 X-1 5)* 27x+1 9 so olduğuna göre, x kaçtır? X 1 A) - 2 ) B) - 3 C) 5 Ć- D) 1 E) 2​

1 X1 5 27x1 9 So Olduğuna Göre X Kaçtır X 1 A 2 B 3 C 5 Ć D 1 E 2 class=

Sagot :

Hakanatess66rans

Cevap:

1/9=3^-2

27=3^3 yerlerine yaz

((3^)-2)^x-1=((3^3)) ^x+1 tabanlar eşitse üslrrde eşit

-2x+2=3x+3

5x=-1

x=-1/5 cvpC

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