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What will be the expansion of ( (x-6)(x-2) )?( (x-6)(x-2) ) का विस्तार क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: \(x^2-8x+12\)\(x^2-8x+12\)
Using the distributive property, \((x-6)(x-2)=x^2-2x-6x+12=x^2-8x+12\). Therefore, option A is correct. In option C, both the middle term and the constant term are incorrect. Exam tip: use \((x-a)(x-b)=x^2-(a+b)x+ab\) for quick expansion.वितरण गुण का प्रयोग करें: \((x-6)(x-2)=x^2-2x-6x+12=x^2-8x+12\)। इसलिए सही विकल्प A है। विकल्प C में मध्य पद और स्थिर पद दोनों गलत हैं। परीक्षा टिप: \((x-a)(x-b)=x^2-(a+b)x+ab\) पहचान का उपयोग करके शीघ्र विस्तार करें।
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