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What is the coefficient of (x^2) in the expansion of ( (x+1)(x+2)(x+3) )?( (x+1)(x+2)(x+3) ) के प्रसार में (x^2) का गुणांक क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (6)(6)
For three linear factors, the coefficient of (x^2) is (1+2+3=6). Exam tip: you can also check by expanding the first two factors.तीन रैखिक पदों में (x^2) का गुणांक (1+2+3=6) होता है। परीक्षा में पहले दो पदों को खोलकर भी जाँच सकते हैं।
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