यदि \(A=\{1,4,9\}\) है तो ({1,9}) के लिए सही कथन कौन सा है?

If \(A=\{1,4,9\}\), which statement is correct for ({1,9})?

Explanation opens after your attempt
Correct Answer

B. \({1,9}\in \mathcal{P}(A)\)

Step 1

Concept

({1,9}) is a subset of (A). Therefore it is an element of (\mathcal{P}(A)).

Step 2

Why this answer is correct

The correct answer is B. \({1,9}\in \mathcal{P}(A)\). ({1,9}) is a subset of (A). Therefore it is an element of (\mathcal{P}(A)).

Step 3

Exam Tip

({1,9}) (A) का उपसमुच्चय है। इसलिए यह (\mathcal{P}(A)) का तत्व है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(A=\{1,4,9\}\) है तो ({1,9}) के लिए सही कथन कौन सा है? / If \(A=\{1,4,9\}\), which statement is correct for ({1,9})?

Correct Answer: B. \({1,9}\in \mathcal{P}(A)\). Explanation: ({1,9}) (A) का उपसमुच्चय है। इसलिए यह (\mathcal{P}(A)) का तत्व है। / ({1,9}) is a subset of (A). Therefore it is an element of (\mathcal{P}(A)).

Which concept should I revise for this Mathematics MCQ?

({1,9}) is a subset of (A). Therefore it is an element of (\mathcal{P}(A)).

What exam hint can help solve this Mathematics question?

({1,9}) (A) का उपसमुच्चय है। इसलिए यह (\mathcal{P}(A)) का तत्व है।