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AP EAMCET2004MathematicsComplex Number

If n N and the period of n x ( x n ) is 4 , then n is equal to

Options

  1. A4
  2. B3
  3. C2
  4. D1

Correct answer

C. 2

Step-by-step solution

Given that period of n x ( x n ) is 4 . We know Period of n x= 2 n and period of ( x n )=2 n array ll Period of & n x ( x n ) is 2 n . & 2 n =4 n=2 array

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