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20-08-2018
Mathematics

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Evaluate 1/x^-2 for x = 7.
a -49
b 1/49
c 49

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Аноним Аноним

20-08-2018

1/x^-2 for x = 7

1/(7)^-2

1/(1/(7)^2)

1/(1/49)

49

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