Question

Tolong bantuin no.2 dong beserta caranya ya

Answer 1

(1/4)^x+2 = ∛8^2x-1
2^-2x-4 = 2^(6x-3)/3
-2x - 4 = (6x - 3) / 3
-6x - 12 = 6x - 3
- 12x = -9
x = 9/12
x = 3/4

81^3/4 = ⁴√81³ (akar pangkat 4 dari 81 pangkat 3)
⁴√81 x 81 x81
3 x 3 x 3 = 27 (A)