\(\sqrt{c}\times\sqrt{12}=18\) और (c) धनात्मक है। (c) का मान क्या है?

If \(\sqrt{c}\times\sqrt{12}=18\) and (c) is positive, what is the value of (c)?

Explanation opens after your attempt
Correct Answer

C. (27)

Step 1

Concept

\(\sqrt{c}\times\sqrt{12}=\sqrt{12c}\).

Step 2

Why this answer is correct

\(\sqrt{12c}=18\), so (12c=324) and (c=27).

Step 3

Exam Tip

In square-root equations, square both sides to solve. चरण 1: \(\sqrt{c}\times\sqrt{12}=\sqrt{12c}\)। चरण 2: \(\sqrt{12c}=18\), इसलिए (12c=324) और (c=27)। चरण 3: वर्गमूल समीकरण में दोनों तरफ वर्ग करके हल करें।

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Mathematics Answer, Explanation and Revision Hints

\(\sqrt{c}\times\sqrt{12}=18\) और (c) धनात्मक है। (c) का मान क्या है? / If \(\sqrt{c}\times\sqrt{12}=18\) and (c) is positive, what is the value of (c)?

Correct Answer: C. (27). Explanation: चरण 1: \(\sqrt{c}\times\sqrt{12}=\sqrt{12c}\)। चरण 2: \(\sqrt{12c}=18\), इसलिए (12c=324) और (c=27)। चरण 3: वर्गमूल समीकरण में दोनों तरफ वर्ग करके हल करें। / Step 1: \(\sqrt{c}\times\sqrt{12}=\sqrt{12c}\). Step 2: \(\sqrt{12c}=18\), so (12c=324) and (c=27). Step 3: In square-root equations, square both sides to solve.

Which concept should I revise for this Mathematics MCQ?

\(\sqrt{c}\times\sqrt{12}=\sqrt{12c}\).

What exam hint can help solve this Mathematics question?

In square-root equations, square both sides to solve. चरण 1: \(\sqrt{c}\times\sqrt{12}=\sqrt{12c}\)। चरण 2: \(\sqrt{12c}=18\), इसलिए (12c=324) और (c=27)। चरण 3: वर्गमूल समीकरण में दोनों तरफ वर्ग करके हल करें।