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Complex Numbers question

2003 · Shift 0 · Q99

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PYQ Library
JEE Main
Mathematics
Complex Numbers
2003 · Shift 0 · Q99

Complex Numbers question

2003 · Shift 0 · Q99

JEE MainMathematicsComplex NumbersMCQ+4 / −1

If

{\left( {{{1 + i} \over {1 - i}}} \right)^x} = 1

then :

A
x = 2n + 1, where n is any positive integer
B
x = 4n , where n is any positive integer
C
x = 2n, where n is any positive integer
D
x = 4n + 1, where n is any positive integer.

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