Answer:
5i and -5i.
Explanation:
i^2 = -1.
5i * 5i
= 25 * i^2
= 25 * -1
= -25.
-5i * -5i
Answer:5i
√(-25)=√(-1)×√(25) √(-1)=I √(25)=5
Therefore √(-1)×√(25)=i×5=5i
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