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777dan777 [17]
3 years ago
12

For any real number √a² a - |al lal. -a

Mathematics
1 answer:
spayn [35]3 years ago
6 0

Answer:

|a|

Step-by-step explanation:

For any positive or negative a, when you square it, the answer is positive.

The square root symbol means the principal square root. For a positive number, the principal square root is positive. To make sure the square root is always non-negative, use absolute value.

Answer: |a|

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