Evaluate the expression ans write the result in theform a + bi (1-sqrt(-1))/(1+sqrt(-1))

Mauricio Mathis 2022-07-28 Answered
Evaluate the expression ans write the result in theform a + bi
1 1 1 + 1
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Answers (1)

Brendon Bentley
Answered 2022-07-29 Author has 11 answers
1 1 1 + 1 = 1 1 ( i 2 ) 1 + 1 ( i 2 ) = 1 i 1 + i
= ( 1 i ) ( 1 i ) ( 1 i ) ( 1 + i ) = 1 i i + i 2 1 + i i i 2 = 1 2 i 1 1 + 1 = 2 i 2 = i
key points:
1). i 2 = 1
2).for complex fraction, multiplie the conjugate of the denominator.

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