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jujurae03
03.08.2019 •
Mathematics
Solve 81^x = 27^^^x + 2.
a. x = 1
b. x = 2
c. x = 5
d. x = 6
Solved
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Ответ:
Step-by-step explanation:
81^x=27^(x+2)
3^4=81 and 3^3=27
3^4x=3^(3(x+2))
exponents are the same so we just take those
4x=3x+6
x=6
Ответ:
For this case we must solve the following equation:
We rewrite:
Then, replacing:
For the bases to be equal then it must be fulfilled that:
Option D
Ответ:
Step-by-step explanation: