कौन सा विकल्प (\sqrt{2}\times\(\sqrt{18}-\sqrt{8}\)) का मान है?
Which option is the value of (\sqrt{2}\times\(\sqrt{18}-\sqrt{8}\))?
Explanation opens after your attempt
Correct Answer
A. (2)
Concept
\(\sqrt{18}=3\sqrt{2}\) and \(\sqrt{8}=2\sqrt{2}\), so the bracket is \(\sqrt{2}\). The product is (2).
Why this answer is correct
The correct answer is A. (2). \(\sqrt{18}=3\sqrt{2}\) and \(\sqrt{8}=2\sqrt{2}\), so the bracket is \(\sqrt{2}\). The product is (2).
Exam Tip
\(\sqrt{18}=3\sqrt{2}\) और \(\sqrt{8}=2\sqrt{2}\), इसलिए कोष्ठक \(\sqrt{2}\) है। गुणनफल (2) है।
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