कौन सा प्रतिउदाहरण यह दिखाता है कि (a<b) से हमेशा \(a^2<b^2\) नहीं होता?
Which counterexample shows that (a<b) does not always imply \(a^2<b^2\)?
Explanation opens after your attempt
A. (a=-3,\ b=-1)
Concept
Here (-3<-1), but (9>1). Before squaring, check the signs and positions of the numbers.
Why this answer is correct
The correct answer is A. (a=-3,\ b=-1). Here (-3<-1), but (9>1). Before squaring, check the signs and positions of the numbers.
Exam Tip
यहाँ (-3<-1), पर (9>1) है। वर्ग करने से पहले संख्याओं के चिन्ह और स्थान को जांचें।
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