यदि (f(x)=\sqrt{x+6}) है, तो (f(x)=4) के लिए (x) क्या होगा?

If (f(x)=\sqrt{x+6}), what is (x) when (f(x)=4)?

Explanation opens after your attempt
Correct Answer

A. (10)

Step 1

Concept

\(\sqrt{x+6}=4\) gives (x+6=16), so (x=10). In exams check the answer in the original condition after squaring.

Step 2

Why this answer is correct

The correct answer is A. (10). \(\sqrt{x+6}=4\) gives (x+6=16), so (x=10). In exams check the answer in the original condition after squaring.

Step 3

Exam Tip

\(\sqrt{x+6}=4\) से (x+6=16), इसलिए (x=10)। परीक्षा में वर्ग करने के बाद उत्तर को मूल शर्त में जांचें।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=\sqrt{x+6}) है, तो (f(x)=4) के लिए (x) क्या होगा? / If (f(x)=\sqrt{x+6}), what is (x) when (f(x)=4)?

Correct Answer: A. (10). Explanation: \(\sqrt{x+6}=4\) से (x+6=16), इसलिए (x=10)। परीक्षा में वर्ग करने के बाद उत्तर को मूल शर्त में जांचें। / \(\sqrt{x+6}=4\) gives (x+6=16), so (x=10). In exams check the answer in the original condition after squaring.

Which concept should I revise for this Mathematics MCQ?

\(\sqrt{x+6}=4\) gives (x+6=16), so (x=10). In exams check the answer in the original condition after squaring.

What exam hint can help solve this Mathematics question?

\(\sqrt{x+6}=4\) से (x+6=16), इसलिए (x=10)। परीक्षा में वर्ग करने के बाद उत्तर को मूल शर्त में जांचें।