\(p^2-q^2-5p+5q\) का सही गुणनखंड चुनिए।
Choose the correct factorisation of \(p^2-q^2-5p+5q\).
Explanation opens after your attempt
B. ((p-q)(p+q-5))
Concept
(p-2-q-2=(p-q)(p+q)) and (-5p+5q=-5(p-q)). In exams, identify common ((p-q)) with signs.
Why this answer is correct
The correct answer is B. ((p-q)(p+q-5)). (p-2-q-2=(p-q)(p+q)) and (-5p+5q=-5(p-q)). In exams, identify common ((p-q)) with signs.
Exam Tip
(p-2-q-2=(p-q)(p+q)) और (-5p+5q=-5(p-q)) है। परीक्षा में चिह्न सहित सामान्य ((p-q)) पहचानें।
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