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Introduction of Course (in Hindi)
AM
Sir i have doubt in calculating derivative of (2x^2+9) ^2. I am getting 16x^3+72x. But the book's answer is 12x(2x^2+9) ^2.
Nitish Kumar
3 months ago
Answer fr se check kr lo
Aryan Singh
2 months ago
put the value of x in both answer=0, if answer match then it's correct else not you can argue it might be a coincidence but you can check for x=1 and so on for better