यदि (-3<x<-1) है, तो \(x^2\) के लिए कौन सा कथन सही है?

If (-3<x<-1), which statement about \(x^2\) is correct?

Explanation opens after your attempt
Correct Answer

A. \(1<x^2<9\)

Step 1

Concept

On this interval, (|x|) lies between (1) and (3), so \(1<x^2<9\). For squares on negative intervals, look at magnitude.

Step 2

Why this answer is correct

The correct answer is A. \(1<x^2<9\). On this interval, (|x|) lies between (1) and (3), so \(1<x^2<9\). For squares on negative intervals, look at magnitude.

Step 3

Exam Tip

इस अंतराल में (|x|) (1) और (3) के बीच है, इसलिए \(1<x^2<9\)। ऋणात्मक अंतराल में वर्ग के लिए परिमाण देखें।

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Mathematics Answer, Explanation and Revision Hints

यदि (-3<x<-1) है, तो \(x^2\) के लिए कौन सा कथन सही है? / If (-3<x<-1), which statement about \(x^2\) is correct?

Correct Answer: A. \(1<x^2<9\). Explanation: इस अंतराल में (|x|) (1) और (3) के बीच है, इसलिए \(1<x^2<9\)। ऋणात्मक अंतराल में वर्ग के लिए परिमाण देखें। / On this interval, (|x|) lies between (1) and (3), so \(1<x^2<9\). For squares on negative intervals, look at magnitude.

Which concept should I revise for this Mathematics MCQ?

On this interval, (|x|) lies between (1) and (3), so \(1<x^2<9\). For squares on negative intervals, look at magnitude.

What exam hint can help solve this Mathematics question?

इस अंतराल में (|x|) (1) और (3) के बीच है, इसलिए \(1<x^2<9\)। ऋणात्मक अंतराल में वर्ग के लिए परिमाण देखें।