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sqrt4i - sqrt-4i is equal to (i= iota)

sqrt4i - sqrt-4i is equal to (i= iota)

Grade:11

1 Answers

vikas askiitian expert
509 Points
10 years ago

sqrt4i - sqrt-4i=sqrt4.(sqrti) - sqrt4.(sqrt-i)

                    =2sqrti - 2 (sqrt-1)(sqrti)

                    =2sqrti(1-i)                                  (  sqrt-1 =i )  

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