Question

MCQ type questions.


$1) \sqrt{ - 1 } =$
$i) \: i \\ ii) \: {i}^{2} \\ iii) {i}^{3} \\ iv) \: {i}^{4}$



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Answer 1

i believe the answer would be option one i.

explanation:

simplify
√1i

simplify √1 to 1
1 x i

simplify
i

Answer 2

Answer: Option one i.

Explanation:

Just rewrite √-1 as i.