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Class 10 Mathematics Real Numbers Irrational numbersHardLevel 15

Which option is equal to (2\sqrt{15})?

Answer and explanation

Correct answer: (\sqrt{60})

Step 1: (2\sqrt{15}=\sqrt{4}\sqrt{15}). Step 2: Therefore (2\sqrt{15}=\sqrt{60}). Step 3: When moving a coefficient inside a square root, its square goes inside.

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surd conversionradicalsclass 10

Frequently asked questions

What is the correct answer to this question?

(\sqrt{60})

Why is this the correct answer?

Step 1: (2\sqrt{15}=\sqrt{4}\sqrt{15}). Step 2: Therefore (2\sqrt{15}=\sqrt{60}). Step 3: When moving a coefficient inside a square root, its square goes inside.

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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