Grade 11Algebra
sqrt4i - sqrt-4i is equal to (i= iota)
sqrt4i - sqrt-4i is equal to (i= iota)
1 Answer
vikas askiitian expert
sqrt4i - sqrt-4i=sqrt4.(sqrti) - sqrt4.(sqrt-i)
=2sqrti - 2 (sqrt-1)(sqrti)
=2sqrti(1-i) ( sqrt-1 =i )
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