Question

(1/3)(в степени х²) ＞(1/9)(в степени 8)

Answer 1

(1/3)^x² ＞(1/9)^8

(1/3)^x² ＞(1/3)^(8*2)

(1/3)^x² ＞(1/3)^16

x² < 16

|x| < 4

-4 < x < 4