Question

What's the value of given expression

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`√(12 + 4)`
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Answer 1

When you do this you want to add the number in the root first, so we’ll get the square root of 16. Since 16 is a perfect root (4x4), the answer is one of its factors.

Answer: 4

Answer 2

√{12+3}=√16=√4²=±4 is your answer