कौन सा मान \(x^2-9=0\) का एक हल है?
Which value is one solution of \(x^2-9=0\)?
Explanation opens after your attempt
Correct Answer
B. (3)
Concept
Since \(3^2-9=0\), (3) is a solution. For easy questions, check by substitution.
Why this answer is correct
The correct answer is B. (3). Since \(3^2-9=0\), (3) is a solution. For easy questions, check by substitution.
Exam Tip
\(3^2-9=0\) इसलिए (3) हल है। आसान प्रश्नों में मान रखकर जांच करें।
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