यदि (f(x)=\sqrt{x-2-9}) है, तो (f(5)) क्या है?

If (f(x)=\sqrt{x-2-9}), what is (f(5))?

Explanation opens after your attempt
Correct Answer

A. (4)

Step 1

Concept

(f(5)=\sqrt{25-9}=\sqrt{16}=4). In exams take the principal positive square root.

Step 2

Why this answer is correct

The correct answer is A. (4). (f(5)=\sqrt{25-9}=\sqrt{16}=4). In exams take the principal positive square root.

Step 3

Exam Tip

(f(5)=\sqrt{25-9}=\sqrt{16}=4) है। परीक्षा में वर्गमूल की मुख्य धनात्मक वैल्यू लें।

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यदि (f(x)=\sqrt{x-2-9}) है, तो (f(5)) क्या है? / If (f(x)=\sqrt{x-2-9}), what is (f(5))?

Correct Answer: A. (4). Explanation: (f(5)=\sqrt{25-9}=\sqrt{16}=4) है। परीक्षा में वर्गमूल की मुख्य धनात्मक वैल्यू लें। / (f(5)=\sqrt{25-9}=\sqrt{16}=4). In exams take the principal positive square root.

Which concept should I revise for this Mathematics MCQ?

(f(5)=\sqrt{25-9}=\sqrt{16}=4). In exams take the principal positive square root.

What exam hint can help solve this Mathematics question?

(f(5)=\sqrt{25-9}=\sqrt{16}=4) है। परीक्षा में वर्गमूल की मुख्य धनात्मक वैल्यू लें।