\(p^2-q^2+2qr-2pr\) को गुणनखंडित कीजिए।
Factorise \(p^2-q^2+2qr-2pr\).
Explanation opens after your attempt
Correct Answer
A. ((p-q)(p+q-2r))
Concept
It can be written as ((p-q)(p+q)-2r(p-q)). Exam tip: identify the common bracket ((p-q)).
Why this answer is correct
The correct answer is A. ((p-q)(p+q-2r)). It can be written as ((p-q)(p+q)-2r(p-q)). Exam tip: identify the common bracket ((p-q)).
Exam Tip
इसे ((p-q)(p+q)-2r(p-q)) लिखा जा सकता है। परीक्षा में समान ((p-q)) कोष्ठक पहचानें।
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