यदि (x=-9) है तो \( \sqrt{x^2}+3x \) का मान क्या होगा?

If (x=-9), what is the value of \( \sqrt{x^2}+3x \)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. ( -18 )

Step 1

Concept

\( \sqrt{x^2}=|x|=9 \) and (3x=-27). Therefore the total is (9-27=-18).

Step 2

Why this answer is correct

The correct answer is A. ( -18 ). \( \sqrt{x^2}=|x|=9 \) and (3x=-27). Therefore the total is (9-27=-18).

Step 3

Exam Tip

\( \sqrt{x^2}=|x|=9 \) और (3x=-27) है। इसलिए कुल (9-27=-18) मिलेगा।

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Mathematics Answer, Explanation and Revision Hints

यदि (x=-9) है तो \( \sqrt{x^2}+3x \) का मान क्या होगा? / If (x=-9), what is the value of \( \sqrt{x^2}+3x \)?

Correct Answer: A. ( -18 ). Explanation: \( \sqrt{x^2}=|x|=9 \) और (3x=-27) है। इसलिए कुल (9-27=-18) मिलेगा। / \( \sqrt{x^2}=|x|=9 \) and (3x=-27). Therefore the total is (9-27=-18).

Which concept should I revise for this Mathematics MCQ?

\( \sqrt{x^2}=|x|=9 \) and (3x=-27). Therefore the total is (9-27=-18).

What exam hint can help solve this Mathematics question?

\( \sqrt{x^2}=|x|=9 \) और (3x=-27) है। इसलिए कुल (9-27=-18) मिलेगा।