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What is the simplified form of (\sqrt{28})?
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Answer and explanation
Correct answer: (2\sqrt{7})
Step 1: Write (28=4 \times 7). Step 2: (\sqrt{28}=\sqrt{4 \times 7}=2\sqrt{7}). Step 3: While simplifying a square root, take the perfect square factor outside.
Frequently asked questions
What is the correct answer to this question?
(2\sqrt{7})
Why is this the correct answer?
Step 1: Write (28=4 \times 7). Step 2: (\sqrt{28}=\sqrt{4 \times 7}=2\sqrt{7}). Step 3: While simplifying a square root, take the perfect square factor outside.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Irrational numbers.
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