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Class 10MathematicsReal NumbersIrrational numbersEasyLevel 15

What is the value of (\sqrt{7}\times\sqrt{28})?

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Answer and explanation

Correct answer: (14)

Step 1: (\sqrt{7}\times\sqrt{28}=\sqrt{196}). Step 2: (\sqrt{196}=14), so the value is rational. Step 3: When multiplying square roots, multiply the numbers inside.

Tags

real-numbersradical-productrational-result

Frequently asked questions

What is the correct answer to this question?

(14)

Why is this the correct answer?

Step 1: (\sqrt{7}\times\sqrt{28}=\sqrt{196}). Step 2: (\sqrt{196}=14), so the value is rational. Step 3: When multiplying square roots, multiply the numbers 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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