Does $\sqrt{i^4}$ imply +/-1 = -/+1?
139932
What is the square root of $i^4$?
148647
If $\dfrac{4x^2-1}{4x^2-y^2}$ is an integer, then it is $1$
111432
Square root of a number squared is equal to the absolute value of that number
134075
Inverse of $A^{-1}+B^{-1}$
51769
If $x,y,z\in[-1,1]$ and $1+2xyz\geq x^2+y^2+z^2$, then can we infer $1+2(xyz)^n\geq x^{2n}+y^{2n}+z^{2n}$?
34024
Are +0 and -0 the same?
55094
How to show $i^{-1} = -i$?
108923
What is wrong with this false proof? $-1=(-1)^1=(-1)^\frac{2}{2}=((-1)^2)^\frac{1}{2}=\sqrt{(-1)^2}=\sqrt{1}=1$
122916
Does $[0.9999....]=1$?
88368
Evaluating $\int_0^1 \sqrt{1 + x ^4 } \, d x $
57623
Does a +1/+1 counter remove a -1/-1 counter?
53958
General misconception about $\sqrt x$
96554
Why is $x^0 = 1$ except when $x = 0$?
22397
Is 0.9999... equal to -1?
13363
Why does an argument similiar to 0.999...=1 show 999...=-1?
43834
Simple Complex Number Problem: $1 = -1$
38705
Evaluating $\sqrt{1 + \sqrt{2 + \sqrt{4 + \sqrt{8 + \ldots}}}}$