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29 March, 20:37

Is it true that - a^n = (-a) ^n IF:

a = 3;

n = 2, 3, 4, 5?

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Answers (1)
  1. 29 March, 22:22
    0
    No, it is not true

    Because (-a) ^n some times gives a^n (with even powers) and other times gives - a^n (with odd powers)

    But - a^n always gives negative!
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