If is a complex number satisfying the equation , then is equal to |
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a) |
b) |
c) |
1 |
d) |
If is a complex number satisfying the equation , then is equal to |
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a) |
b) |
c) |
1 |
d) |
(a)
Given equation is
Let
1. If , then
2. If , then
Hence, is equal to