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CBSE Class 11-science Answered

http://www.topperlearning.com/forums/ask-experts-19/two-cards-are-drawn-from-a-deck-of-52-cardswhat-is-the-prob-mathematics-probability-problems-on-probability-94152/reply
 
Pls explain, I didn't get b) part of the answer . Particularly , how did we get 39C2?
Asked by Sahar | 25 Jan, 2016, 07:28: PM
answered-by-expert Expert Answer
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Answered by Rashmi Khot | 27 Jan, 2016, 11:21: AM

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