jordnnnn102
13.06.2021 •
Mathematics
Answer this question ( Steps required ) Please help
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Ответ:
9514 1404 393
(2ac+1)/(abc+2c+1)
Step-by-step explanation:
It helps to understand the factoring of the numbers involved.
63 = 3²·7
140 = 2²·5·7
The "change of base" formula is also useful.
__
Using this, we can write ...
a = log(3)/log(2) ⇒ log(3) = a·log(2)
b = log(5)/log(3) ⇒ log(5) = b·log(3) = ab·log(2)
c = log(2)/log(7) ⇒ log(2) = c·log(7)
This lets us write everything in terms of log(7):
log(2) = c·log(7)
log(3) = ac·log(7)
log(5) = abc·log(7)
__
The desired logarithm is ...
_____
The attachment is a numerical check of this result.
Ответ:
im half virgin.
Step-by-step explanation:
take that