यदि \(A=\{1,2,3,4,5\}\) और \(R=\{(x,y):y=2x\}\), जहां \(x,y\in A\), तो (R) का परिसर क्या है?

If \(A=\{1,2,3,4,5\}\) and \(R=\{(x,y):y=2x\}\), where \(x,y\in A\), what is the range of (R)?

Explanation opens after your attempt
Correct Answer

A. ({2,4})

Step 1

Concept

For (x=1), (y=2), and for (x=2), (y=4); after that \(y\notin A\). So the range is ({2,4}).

Step 2

Why this answer is correct

The correct answer is A. ({2,4}). For (x=1), (y=2), and for (x=2), (y=4); after that \(y\notin A\). So the range is ({2,4}).

Step 3

Exam Tip

(x=1) पर (y=2) और (x=2) पर (y=4) मिलता है; आगे \(y\notin A\) हो जाता है। इसलिए परिसर ({2,4}) है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,2,3,4,5\}\) और \(R=\{(x,y):y=2x\}\), जहां \(x,y\in A\), तो (R) का परिसर क्या है? / If \(A=\{1,2,3,4,5\}\) and \(R=\{(x,y):y=2x\}\), where \(x,y\in A\), what is the range of (R)?

Correct Answer: A. ({2,4}). Explanation: (x=1) पर (y=2) और (x=2) पर (y=4) मिलता है; आगे \(y\notin A\) हो जाता है। इसलिए परिसर ({2,4}) है। / For (x=1), (y=2), and for (x=2), (y=4); after that \(y\notin A\). So the range is ({2,4}).

Which concept should I revise for this Mathematics MCQ?

For (x=1), (y=2), and for (x=2), (y=4); after that \(y\notin A\). So the range is ({2,4}).

What exam hint can help solve this Mathematics question?

(x=1) पर (y=2) और (x=2) पर (y=4) मिलता है; आगे \(y\notin A\) हो जाता है। इसलिए परिसर ({2,4}) है।