किस असमानता का कोई वास्तविक हल नहीं है?

Which inequality has no real solution?

Explanation opens after your attempt
Correct Answer

B. \(x^2+4\leq 0\)

Step 1

Concept

\(x^2+4\) is always at least (4), so \(x^2+4\leq 0\) is impossible. Use the minimum value to judge solutions.

Step 2

Why this answer is correct

The correct answer is B. \(x^2+4\leq 0\). \(x^2+4\) is always at least (4), so \(x^2+4\leq 0\) is impossible. Use the minimum value to judge solutions.

Step 3

Exam Tip

\(x^2+4\) हमेशा कम से कम (4) होता है इसलिए \(x^2+4\leq 0\) असंभव है। न्यूनतम मान से हल का अनुमान लगाएं।

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Mathematics Answer, Explanation and Revision Hints

किस असमानता का कोई वास्तविक हल नहीं है? / Which inequality has no real solution?

Correct Answer: B. \(x^2+4\leq 0\). Explanation: \(x^2+4\) हमेशा कम से कम (4) होता है इसलिए \(x^2+4\leq 0\) असंभव है। न्यूनतम मान से हल का अनुमान लगाएं। / \(x^2+4\) is always at least (4), so \(x^2+4\leq 0\) is impossible. Use the minimum value to judge solutions.

Which concept should I revise for this Mathematics MCQ?

\(x^2+4\) is always at least (4), so \(x^2+4\leq 0\) is impossible. Use the minimum value to judge solutions.

What exam hint can help solve this Mathematics question?

\(x^2+4\) हमेशा कम से कम (4) होता है इसलिए \(x^2+4\leq 0\) असंभव है। न्यूनतम मान से हल का अनुमान लगाएं।