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If 0^a is not equal to zero then which of the values a cannot take _________

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in Discrete Mathematics by (558k points)
If 0^a is not equal to zero then which of the values a cannot take _________

(a) 1

(b) 2

(c) -1

(d) 0

The question was posed to me in an international level competition.

Origin of the question is Number Theory and Cryptography topic in chapter Number Theory and Cryptography of Discrete Mathematics

1 Answer

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Best answer
Correct choice is (d) 0

Best explanation: a^0 = 1, for any real number.

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