\(x^2+8x+16-y^2\) का गुणनखंड रूप चुनिए।
Choose the factorised form of \(x^2+8x+16-y^2\).
Explanation opens after your attempt
D. ( (x+4-y)(x+4+y) )
Concept
Write it as ((x+4)2-y-2) and apply the difference of squares identity. Exam tip: form the perfect square first.
Why this answer is correct
The correct answer is D. ( (x+4-y)(x+4+y) ). Write it as ((x+4)2-y-2) and apply the difference of squares identity. Exam tip: form the perfect square first.
Exam Tip
इसे ((x+4)2-y-2) लिखकर अंतर वर्ग पहचान लगती है। परीक्षा में पहले पूर्ण वर्ग बनाएं।
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