Log 8 to the base 5 is p then log 1/40 to the base 5 is ?
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Originally Answered: Log 5 base (4)=a; log 6 base ( 5)=b. What is log 3 base 2? ... If log m to the base 8 +log 1/6 to the base 8=2/3, what is m? 3,188 Views
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The value of log₅1/40 is -p-1.
Given,
The value of log₅8 = p
To Find,
The value of log₅1/40.
Solution,
The given value is
log₅8 = p
log₅1/40 = log₅(1/8*1/5)
Now, using the property of log
log(m*n) = log m + log n
So,
log₅(1/8*1/5) = log₅(1/8)+log₅(1/5)
Now, using the property
log(m/n) = log m - log n
So,
log₅(1/8)+log₅(1/5) = log₅1 - log₅8 + log₅1- log₅5
Now,
log₅1 = 0, ang log₅5 = 1
So,
log₅1 - log₅8 + log₅1- log₅5 = 0-p+-0-1 = -p-1
Hence, the value of log₅1/40 is -p-1.
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