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redraider4915
26.09.2019 •
Mathematics
Use properties of exponents to complete the equivalent expression. (2^3)^3 = (2 · 2 · 2)^3 = (2 · 2 · 2) · ( ? · ? · ? ) (2 · 2 · 2) =2^?
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Ответ:
2^86
Step-by-step explanation:
Do 2 times itself 86
Btw I am in sixth and I know this
Ответ:
4^x + 6^x - 9^x = 0
2^2x + (2×3)^x - 3^2x = 0
2^2x + 2^x×3^x - 3^2x = 0
(⅔)^2x + (⅔)^x - 1 = 0
let t = ( ⅔)^x
t² + t - 1 = 0
t = (-1+√5 ) / 2
(⅔)^x = (-1+√5 ) / 2
x = Log base ⅔ ((-1+√5 ) / 2 )
x = 1.18681