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What is the expanded form of the algebraic identity (a + b)²?बीजीय सर्वसमिका (a + b)² का विस्तारित रूप क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: a² + 2ab + b²a² + 2ab + b²
Squaring the sum gives (a + b)(a + b) = a² + ab + ab + b² = a² + 2ab + b². Therefore, option B is correct.योग का वर्ग करने पर (a + b)(a + b) = a² + ab + ab + b² = a² + 2ab + b² मिलता है। इसलिए विकल्प B सही है।
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