यदि \((x,y)\in {4,5}\times{8}\) है, तो (x) का संभव मान कौन सा हो सकता है?
If \((x,y)\in {4,5}\times{8}\), which can be a possible value of (x)?
Explanation opens after your attempt
A. (4) या (5)(4) or (5)
Concept
The first component comes from the first set ({4,5}), so (x) can be (4) or (5). Do not mix the first and second components.
Why this answer is correct
The correct answer is A. (4) या (5) / (4) or (5). The first component comes from the first set ({4,5}), so (x) can be (4) or (5). Do not mix the first and second components.
Exam Tip
पहला घटक पहले समुच्चय ({4,5}) से आता है, इसलिए (x) (4) या (5) हो सकता है। पहले और दूसरे घटक को न मिलाएं।
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