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What is the domain of (f(x)=\sqrt{x-2}+\sqrt{9-x})?फलन (f(x)=\sqrt{x-2}+\sqrt{9-x}) का डोमेन क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ([2,9])([2,9])
The two conditions (x-2\ge0) and (9-x\ge0) together give (2\le x\le9). In exams take the common interval for two square roots.दोनों शर्तें (x-2\ge0) और (9-x\ge0) मिलकर (2\le x\le9) देती हैं। परीक्षा में दो वर्गमूल हों तो common interval लें।
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