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Ex 5.1, 13 - Find multiplicative inverse of -i - Chapter 5 - Ex 5.1

  1. Chapter 5 Class 11 Complex Numbers
  2. Serial order wise
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Ex 5.1, 13 Find the multiplicative inverse of the Complex number โ€“ ๐‘– Multiplicative inverse of z = z โ€“ 1 Multiplicative inverse of z = 1/๐‘ง Putting z = โ€“ ๐‘– multiplicative inverse of โˆ’๐‘– = 1/(โˆ’๐‘–) Multiplying and dividing by ๐‘– = 1/(โˆ’๐‘–) ร—๐‘–/๐‘– = ๐‘–/(โˆ’๐‘–^2 ) Putting i 2 = โˆ’1 = ๐‘–/(โˆ’(โˆ’1) ) = ๐‘–

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