यदि A और B दो घटनाएं इस प्रकार हैं जिससे  और  है, तो का मान क्या है?

Answer (Detailed Solution Below)

Option 2 :
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NDA 01/2025: English Subject Test
30 Qs. 120 Marks 30 Mins

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संकल्पना:

माना कि दो घटनाएं A और B है

 

गणना:

यहाँ,  और 

                     (∵ )

                                              (∵ )

                                                 (∵ )

अतः विकल्प (2) सही है।

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