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What do we get after simplifying (\sqrt{45})?
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Answer and explanation
Correct answer: (3\sqrt{5})
Step 1: (45=9 \times 5). Step 2: (\sqrt{45}=\sqrt{9 \times 5}=3\sqrt{5}). Step 3: Identifying the perfect square factor is the key to simplifying square roots.
Frequently asked questions
What is the correct answer to this question?
(3\sqrt{5})
Why is this the correct answer?
Step 1: (45=9 \times 5). Step 2: (\sqrt{45}=\sqrt{9 \times 5}=3\sqrt{5}). Step 3: Identifying the perfect square factor is the key to simplifying square roots.
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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