How do you simplify 5−25×i?

Miguel Davenport

Miguel Davenport

Answered

2022-01-30

How do you simplify 525×i?

Answer & Explanation

euromillionsna

euromillionsna

Expert

2022-01-31Added 16 answers

Step 1
525×i=5i25×i=5i×5i=25×i2=25
In common with all non-zero numbers, -25 has two square roots.
The square root represented by the symbols 25 is the principal square root i25=5i. The other square root is 25=i25=5i
When a, b0 then ab=ab, but that fails if both a<0 and b<0 as in this example:
1=1=1×11×1=1

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