Home -> Solved problems -> 2 + 2 = 5

Error to avoid that leads to:

### Solution

We know that \(2+2=4\)

Many people make this mistake: \(\sqrt{x^{2}}=x\), we should know that

The error made in this example is from the beginning, let’s see

There is no equivalence between the first and the 2nd line because

Home -> Solved problems -> 2 + 2 = 5

Related Topics

Home -> Solved problems -> 2 + 2 = 5