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Which option correctly describes (\sqrt{18}-\sqrt{8})?कौन सा विकल्प (\sqrt{18}-\sqrt{8}) का सही प्रकार बताता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Irrational because the answer is (\sqrt{2})अपरिमेय क्योंकि उत्तर (\sqrt{2}) है
Step 1: (\sqrt{18}=3\sqrt{2}) and (\sqrt{8}=2\sqrt{2}). Step 2: The difference is (\sqrt{2}) which is irrational. Step 3: Do not subtract the numbers inside square roots directly.चरण 1: (\sqrt{18}=3\sqrt{2}) और (\sqrt{8}=2\sqrt{2})। चरण 2: अंतर (\sqrt{2}) है जो अपरिमेय है। चरण 3: वर्गमूल घटाते समय भीतर की संख्याओं को सीधे न घटाएं।
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