भुजा \(z-1\) वाले वर्ग के मॉडल में कौन सा पद धनात्मक रहता है?
In the model of a square with side \(z-1\), which term remains positive?
Explanation opens after your attempt
Correct Answer
D. \(1\)
Concept
In \((z-1)^2=z^2-2z+1\), the last square term \(1\) is positive. Exam tip: keep the squared term positive.
Why this answer is correct
The correct answer is D. \(1\). In \((z-1)^2=z^2-2z+1\), the last square term \(1\) is positive. Exam tip: keep the squared term positive.
Exam Tip
\((z-1)^2=z^2-2z+1\) में अंतिम वर्ग पद \(1\) धनात्मक है। परीक्षा में वर्ग किए गए पद का चिह्न धनात्मक रखें।
Login to save your score, XP, coins and progress.