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Popular >

simplify ln(21)-ln(7)

Solution

simplify

ln (21) - ln (7)

Solution

ln (3)

+1

Decimal

1.09861 \dots

Solution steps

ln (21) - ln (7)

Apply log rule:

lo g_{c} (a) - lo g_{c} (b) = lo g_{c} (\frac{a}{b})

ln (21) - ln (7) = ln (\frac{21}{7})

= ln (\frac{21}{7})

Divide the numbers:

\frac{21}{7} = 3

= ln (3)

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Frequently Asked Questions (FAQ)

What is ln(21)-ln(7) ?
The solution to ln(21)-ln(7) is ln(3)