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Examples on the Principle (Part I)
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Sachin Rana is teaching live on Unacademy Plus

Sachin Rana
IVth Year UG, IIT Bombay | YouTuber (143k subs) | Mentored 3 under 100 ranks in JEE Advanced | No. 1 educator for Organic Chemistry

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Bhaiya how you decided in first question that 2 raise power 9 will be last case
In the homework q. " different " balls are given so there is a red ball r1 , r2 and so on. My answer is 25200 .
so 6 is the correct one??
i have come up with 3150
bhai 500 is the answer?
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