\(x^2+2x+1\) और \(x^2-2x+1\) का अंतर क्या है?
What is the difference between \(x^2+2x+1\) and \(x^2-2x+1\)?
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Correct Answer
B. (4x)
Concept
On subtracting, \(x^2\) and (1) cancel, leaving (4x). Exam tip: subtract like terms separately.
Why this answer is correct
The correct answer is B. (4x). On subtracting, \(x^2\) and (1) cancel, leaving (4x). Exam tip: subtract like terms separately.
Exam Tip
घटाने पर \(x^2\) और (1) कट जाते हैं और (4x) बचता है। परीक्षा में समान पदों को अलग अलग घटाएं।
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