(2xy+6x+5y+15) को समूह बनाकर गुणनखंडित कीजिए।
Factorise (2xy+6x+5y+15) by grouping.
Explanation opens after your attempt
B. ((2x+5)(y+3))
Concept
Grouping gives (2x(y+3)+5(y+3)), so the factor is ((2x+5)(y+3)). Exam tip: look for a common bracket.
Why this answer is correct
The correct answer is B. ((2x+5)(y+3)). Grouping gives (2x(y+3)+5(y+3)), so the factor is ((2x+5)(y+3)). Exam tip: look for a common bracket.
Exam Tip
समूह (2x(y+3)+5(y+3)) बनता है इसलिए ((2x+5)(y+3)) मिलता है। परीक्षा में समान कोष्ठक खोजें।
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