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Fundamental Principle of Counting
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Sachin Rana is teaching live on Unacademy Plus

Sachin Rana
•IVth Year UG, IIT Bombay. •YouTuber (131k subs). •Mentored three under 100 ranks in JEE Advanced. •No. 1 educator for Organic Chem.

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sir mujhe tgt nvs ki preparation karni hai Kya aap notes provide Kar sachte hai plz let me know
7....bhaiya if possible plz start 12th class chapters also it..ur videos helping alot
Using D> or = 0 , we have q^2-4p> or = 0 let q=2 , then we have p=1 only... now let q=3 , here we have p=1 or 2... now let q= 4 , then we have p=1 or 2 or 3 or 4 ... thus total 7 equations are possible with real roots...
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