The inverse of - i in the multiplicative group, {1, - 1, i , - i} is
| A. | 1 |
| B. | -1 |
| C. | i |
| D. | -i |
Answer : C Explanation : Amit kumar said: (5:57pm on Sunday 26th November 2017)
As we know a.a^-1 =a^-1.a = e And 1 is the multiplicative identity element As (i ×-i )=1So i is the inverse element of i
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
