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Veseljchak [2.6K]
3 years ago
9

Positive root seven times negative root seven

Mathematics
1 answer:
prohojiy [21]3 years ago
8 0
7i

=√7 * <span>√-7
</span><span>=√(7*-7)
</span><span>=√-49
= i</span><span>√49</span>
=7i : you cannot square root a negative number so you take out an imaginary number which is i, making it possible to square root. 
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