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Tasya [4]
3 years ago
12

X²=169 extracting square root​

Mathematics
1 answer:
ryzh [129]3 years ago
7 0

Answer:

x = ± 13

Step-by-step explanation:

Given

x² = 169 ( take the square root of both sides )

x = ± \sqrt{169} = ± 13

Since 13 × 13 = 169 and - 13× - 13 = 169

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