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zmey [24]
3 years ago
13

Consider the logarithms base 5. For each logarithmic expression below, either calculate the value of the expression or explain w

hy the expression does not make sense.
log5(3125)
Mathematics
1 answer:
Tom [10]3 years ago
8 0

Answer:

log₅(3125) = 5

Step-by-step explanation:

Given:

log₅(3125)

Now,

using the property of log function that

logₐ(b) = \frac{\log(b)}{\log(a)}

thus,

Therefore, applying the above property, we get

⇒ \frac{\log(3125)}{\log(5)}   (here log = log base 10)

now,

3125 = 5⁵

thus,

⇒  \frac{\log(5^5)}{\log(5)}

Now,

we know from the properties of log function that

log(aᵇ) = b × log(a)

therefore applying the above property we get

⇒ \frac{5\log(5)}{\log(5)}

or

⇒ 5

Hence,

log₅(3125) = 5

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x² - 7x + 10

x             -2
x             -5

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