en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify ln(81)

Solution

simplify

ln (81)

Solution

4 ln (3)

+1

Decimal Notation

4.39444 \dots

Solution steps

ln (81)

Rewrite

81

in power-base form:

81 = 3^{4}

= ln (3^{4})

Apply log rule:

lo g_{a} (x^{b}) = b \cdot lo g_{a} (x)

ln (3^{4}) = 4 ln (3)

= 4 ln (3)

Popular Examples

∣ x - 2 ∣ = ∣ 3 x + 8 ∣

simplify 3^7*3^{-4}*2^2 simplify

3^{7} \cdot 3^{- 4} \cdot 2^{2}

8 x + 49 > 2 x - 5

simplify (63e)/(12(10)^2)simplify

\frac{63 e}{12 ( 10 ) ^{2}}

simplify (3+5i)(3-5i)simplify

(3 + 5 i) (3 - 5 i)

Frequently Asked Questions (FAQ)

What is ln(81) ?
The solution to ln(81) is 4ln(3)