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Question

mayankdevnani · Answer

$$\huge \sqrt{-72}$$
First do factorization of 72

mayankdevnani · Answer

no!! its wrong

mayankdevnani · Answer

because 72 is negative and i think it is a imaginary number(i)

mayankdevnani · Answer

http://www.wolframalpha.com/input/?i=sqrt%7B-72%7D&dataset=

mayankdevnani · Answer

welcome:)

mayankdevnani · Answer

hey!! i don't know much about complex numbers

kenljw · Answer

sqrt(-|x|) = isqrt(|x|  basic sqrt(-1) =i , i^2 = -1, i^3 = -i ect

mayankdevnani · Answer

I think $\large i=\color{green}{IOTA}=\color{red}{imaginary \space number}$