Mister Exam

Other calculators

log(x)+1=0

log(x)+1=0 equation

The teacher will be very surprised to see your correct solution 😉

v

Numerical solution:

Do search numerical solution at [, ]

The solution

You have entered [src] 
log(x) + 1 = 0
log⁡(x)+1=0\log{\left(x \right)} + 1 = 0
Simplify
Detail solution
Given the equation
log⁡(x)+1=0\log{\left(x \right)} + 1 = 0
log⁡(x)=−1\log{\left(x \right)} = -1
This equation is of the form:
log(v)=p

By definition log
v=e^p

then
x=e−1−1x = e^{- 1^{-1}}
simplify
x=e−1x = e^{-1}
The graph
-12.5-10.0-7.5-5.0-2.50.02.55.07.510.012.515.0-1010
Plot the graph f1(x)
Plot the graph f2(x)
Rapid solution [src] 
      -1
x1 = e
x1=e−1x_{1} = e^{-1} 
x1 = exp(-1)
Sum and product of roots [src] 
sum
 -1
e
e−1e^{-1} 
=
 -1
e
e−1e^{-1} 
product
 -1
e
e−1e^{-1} 
=
 -1
e
e−1e^{-1} 
exp(-1)
Numerical answer [src] 
x1 = 0.367879441171442
x1 = 0.367879441171442
The graph
log(x)+1=0 equation
    © Mister Exam – Calculator