Question

Tolong dibantu yaa yg bisaa:)

Answer 1

4. 2^(2x) - 33. 2^x + 8 = 0
4 . (2^x)^2 - 33 . 2^x + 8 = 0
misal 2^x = a
4a^2 - 33a + 8 = 0
(4a - 1)(a - 8) = 0
a = 1/4 atau a = 8
2^x = 2^(-2) atau 2^x = 2^3
x = -2 atau x = 3
karena x1 > x2 maka x1 = 3 dan x2 = -2
x1 - x2 = 3 - (-2) = 5