What's the result? $1/i=?$, where $i=\sqrt{-1}$
55094
How to show $i^{-1} = -i$?
144773
function $f(x)=x^{-(1/3)}$ , please check whether my solution is correct?
128091
Find the range of possible values of $\sqrt{a^2+a+1}-\sqrt{a^2-a+1}$
39908
Finding the error in this proof that 1=2
54435
What is the value of $1^i$?
107254
Real analysis question $e^{-1/x^2}$
132610
Expand $\sqrt{1-x}$ up to and including the term $x^2$ (How should i proceed further)
148647
If $\dfrac{4x^2-1}{4x^2-y^2}$ is an integer, then it is $1$
103987
What does the square root of minus $i$ equal?
95350
Why does 1 // 0.1 == 9.0?
101320
How to tell $i$ from $-i$?
67608
Integration of $1/(x^2+x\sqrt{x})$
22129
Why is $\sqrt{\sum_{i=1}^n |v_i|^2} \leq \sum_{i=1}^n |v_i|$ true?
1522
Is $\sqrt{64}$ considered $8$? or is it $8,-8$?
115506
What's wrong with this demonstration? (1 = -1)
6837
How to quotient $\mathbb Z [\sqrt{-11}] / (1+\sqrt{-11})$?
95057
Possible fake proof of $1= -1$