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Let A = 1 2 3 4 1 - 1 2 , then the value of sum of all the elements of A 100 is

Correct answer

2

Step-by-step solution

A 2 = 1 2 3 4 1 - 1 2 1 2 3 4 1 - 1 2 = 1 0 0 1 ⇒ A 2 = Ι ⇒ A 100 = Ι ⇒ s u m = 2

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