यदि \(x^2-b^2\) के कटे हुए मॉडल को आयत में बदला जाए और आयत की एक भुजा (x-b) हो, तो दूसरी भुजा क्या होगी?
If the cut model of \(x^2-b^2\) is rearranged into a rectangle and one side is (x-b), what is the other side?
Explanation opens after your attempt
C. (x+b)
Concept
The difference of squares changes into ((x-b)(x+b)). Exam tip: the rectangle formed by cutting has difference and sum as sides.
Why this answer is correct
The correct answer is C. (x+b). The difference of squares changes into ((x-b)(x+b)). Exam tip: the rectangle formed by cutting has difference and sum as sides.
Exam Tip
वर्गों का अंतर ((x-b)(x+b)) में बदलता है। परीक्षा में कटकर बने आयत की भुजाएँ अंतर और योग होती हैं।
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