\(A=\{1,2,3,4\}\) पर \(R=\{(a,b):a^2+b^2=25\}\) है। (R) में कितने युग्म होंगे?

On \(A=\{1,2,3,4\}\), \(R=\{(a,b):a^2+b^2=25\}\). How many pairs are in (R)?

Explanation opens after your attempt
Correct Answer

B. (2)

Step 1

Concept

Only ((3,4)) and ((4,3)) satisfy \(3^2+4^2=25\). Therefore there are (2) pairs.

Step 2

Why this answer is correct

The correct answer is B. (2). Only ((3,4)) and ((4,3)) satisfy \(3^2+4^2=25\). Therefore there are (2) pairs.

Step 3

Exam Tip

केवल ((3,4)) और ((4,3)) पर \(3^2+4^2=25\) मिलता है। इसलिए कुल (2) युग्म हैं।

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Mathematics Answer, Explanation and Revision Hints

\(A=\{1,2,3,4\}\) पर \(R=\{(a,b):a^2+b^2=25\}\) है। (R) में कितने युग्म होंगे? / On \(A=\{1,2,3,4\}\), \(R=\{(a,b):a^2+b^2=25\}\). How many pairs are in (R)?

Correct Answer: B. (2). Explanation: केवल ((3,4)) और ((4,3)) पर \(3^2+4^2=25\) मिलता है। इसलिए कुल (2) युग्म हैं। / Only ((3,4)) and ((4,3)) satisfy \(3^2+4^2=25\). Therefore there are (2) pairs.

Which concept should I revise for this Mathematics MCQ?

Only ((3,4)) and ((4,3)) satisfy \(3^2+4^2=25\). Therefore there are (2) pairs.

What exam hint can help solve this Mathematics question?

केवल ((3,4)) और ((4,3)) पर \(3^2+4^2=25\) मिलता है। इसलिए कुल (2) युग्म हैं।