What is the answer to ln(x)+ln(x+1)=ln(20) ?

The answer to ln(x)+ln(x+1)=ln(20) is x=4

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

ln(x)+ln(x+1)=ln(20)

ln (x) + ln (x + 1) = ln (20)

x = 4

Solution steps

ln (x) + ln (x + 1) = ln (20)

Apply log rules

x (x + 1) = 20

Solve

x (x + 1) = 20 : x = 4, x = - 5

x = 4, x = - 5

Verify Solutions:

x = 4

True

, x = - 5

False

The solution is

x = 4

lo g_{x} (49) = - 2

ln (3 x - 1) = 2

y, lo g_{e} (y) = a z

lo g_{2} (x - 5) + lo g_{2} (x + 2) = 3

x^{2} ln (x) = 4 ln (x)

What is the answer to ln(x)+ln(x+1)=ln(20) ?
The answer to ln(x)+ln(x+1)=ln(20) is x=4
Solve for x: ln(x)+ln(x+1)=ln(20)
The solution is x=4