\(x^2-16\) और \(x^2-8x+16\) के सही रूपों की जोड़ी कौन-सी है?
Which pair of forms is correct for \(x^2-16\) and \(x^2-8x+16\)?
Explanation opens after your attempt
Correct Answer
A. ((x-4)(x+4)) और ((x-4)2)((x-4)(x+4)) and ((x-4)2)
Concept
The first is a difference of squares and the second is a perfect square. In exams, identify by the presence of the middle term.
Why this answer is correct
The correct answer is A. ((x-4)(x+4)) और ((x-4)2) / ((x-4)(x+4)) and ((x-4)2). The first is a difference of squares and the second is a perfect square. In exams, identify by the presence of the middle term.
Exam Tip
पहला वर्गों का अंतर है और दूसरा पूर्ण वर्ग है। परीक्षा में मध्य पद की उपस्थिति से पहचान करें।
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