कौन सा कथन \(x^2<9\) के हल को सही बताता है?
Which statement correctly gives the solution of \(x^2<9\)?
Explanation opens after your attempt
A. (-3<x<3)
Concept
The inequality \(x^2<9\) means (|x|<3), so (-3<x<3). In square inequalities, check both directions.
Why this answer is correct
The correct answer is A. (-3<x<3). The inequality \(x^2<9\) means (|x|<3), so (-3<x<3). In square inequalities, check both directions.
Exam Tip
\(x^2<9\) का अर्थ (|x|<3) है, इसलिए (-3<x<3)। वर्ग वाली असमानता में दोनों दिशाएं जांचें।
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