यदि (x) वास्तविक संख्या है, तो कौन सा कथन हमेशा सही है?
If (x) is a real number, which statement is always true?
Explanation opens after your attempt
Correct Answer
A. \(x^2+1>0\)
Concept
Since \(x^2\geq 0\), \(x^2+1>0\) is always true. Remember basic properties in such questions.
Why this answer is correct
The correct answer is A. \(x^2+1>0\). Since \(x^2\geq 0\), \(x^2+1>0\) is always true. Remember basic properties in such questions.
Exam Tip
\(x^2\geq 0\) होता है इसलिए \(x^2+1>0\) हमेशा सत्य है। ऐसे प्रश्नों में मूल गुण याद रखें।
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