Question #5a443

1 Answer
Somebody N.
Dec 6, 2017

See below.

Explanation:

Not quite sure whether this #1^7# or #i^7# ( the imaginary unit ).

If it is #1^7# then one raised to any power is still #1#

If it is the imaginary unit #i#, then:

#i^7=-i#

Reason:

#ixxi=-1#

#i^6=(i^2)^3=(-1)^3=-1#

#-1xxi=-i#

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