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On the number line, which coordinate does the point representing \(\sqrt{3.24}\) have?संख्या रेखा पर \(\sqrt{3.24}\) किस निर्देशांक वाले बिंदु को निरूपित करता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: \(1.8\)\(1.8\)
Since \(1.8^2=1.8\times1.8=3.24\), we have \(\sqrt{3.24}=1.8\). The square root symbol denotes the positive square root, so the corresponding point has coordinate \(1.8\). The closest distractor, \(1.6\), is incorrect because \(1.6^2=2.56\). Exam tip: verify a decimal square root by squaring the proposed value and checking its place value.क्योंकि \(1.8^2=1.8\times1.8=3.24\), इसलिए \(\sqrt{3.24}=1.8\) है। यहाँ धनात्मक वर्गमूल लिया जाता है, इसलिए सही बिंदु का निर्देशांक \(1.8\) होगा। विकल्प \(1.6\) का वर्ग केवल \(2.56\) है। परीक्षा-टिप: दशमलव संख्या का वर्गमूल ज्ञात करते समय दशमलव स्थानों की जाँच अवश्य करें।
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