Is 0.999... really equal to 1? Examining the proof.

[Astro021]

I want to see a proof why 0.999999... Is not equal 1 or why is it

 

[PeroK]

I want to see a proof why 0.999999... Is not equal 1 or why is it

There must be dozens of threads on here covering this.

The short answer is that $0.999 \dots$ is defined as an infinite geometric series, whose sum equals $1$.

 

[mfb]

The internet is full of proofs that it is 1.

A couple of older threads here:
1, 2, 3, 4, ...

No need to repeat this again. I closed the thread.

 

[fresh_42]

There must be dozens of threads on here covering this.

https://www.physicsforums.com/searc...elevance&c[node]=4+73+109+74+228+75+76+78+189

Since it makes no sense to repeat all these discussion, this thread will be closed.