\(\sqrt{72}-\sqrt{18}\) का सरल रूप क्या है?

What is the simplified form of \(\sqrt{72}-\sqrt{18}\)?

Explanation opens after your attempt
Correct Answer

A. \(3\sqrt{2}\)

Step 1

Concept

\(\sqrt{72}=6\sqrt{2}\) and \(\sqrt{18}=3\sqrt{2}\).

Step 2

Why this answer is correct

\(6\sqrt{2}-3\sqrt{2}=3\sqrt{2}\).

Step 3

Exam Tip

Simplify both square roots before subtracting. चरण 1: \(\sqrt{72}=6\sqrt{2}\) और \(\sqrt{18}=3\sqrt{2}\)। चरण 2: \(6\sqrt{2}-3\sqrt{2}=3\sqrt{2}\)। चरण 3: घटाने से पहले दोनों वर्गमूलों को सरल करना जरूरी है।

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Mathematics Answer, Explanation and Revision Hints

\(\sqrt{72}-\sqrt{18}\) का सरल रूप क्या है? / What is the simplified form of \(\sqrt{72}-\sqrt{18}\)?

Correct Answer: A. \(3\sqrt{2}\). Explanation: चरण 1: \(\sqrt{72}=6\sqrt{2}\) और \(\sqrt{18}=3\sqrt{2}\)। चरण 2: \(6\sqrt{2}-3\sqrt{2}=3\sqrt{2}\)। चरण 3: घटाने से पहले दोनों वर्गमूलों को सरल करना जरूरी है। / Step 1: \(\sqrt{72}=6\sqrt{2}\) and \(\sqrt{18}=3\sqrt{2}\). Step 2: \(6\sqrt{2}-3\sqrt{2}=3\sqrt{2}\). Step 3: Simplify both square roots before subtracting.

Which concept should I revise for this Mathematics MCQ?

\(\sqrt{72}=6\sqrt{2}\) and \(\sqrt{18}=3\sqrt{2}\).

What exam hint can help solve this Mathematics question?

Simplify both square roots before subtracting. चरण 1: \(\sqrt{72}=6\sqrt{2}\) और \(\sqrt{18}=3\sqrt{2}\)। चरण 2: \(6\sqrt{2}-3\sqrt{2}=3\sqrt{2}\)। चरण 3: घटाने से पहले दोनों वर्गमूलों को सरल करना जरूरी है।