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1. sin x = 2t/(1+t²) , tan y = 2t/(1-t²) হলে dy/dx=?
- A. 2t
- B. 2t
- C. 2t
- D. 2t
Answer: Option C
Explanation:
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1. sin x = 2t/(1+t²) , tan y = 2t/(1-t²) হলে dy/dx=?
Answer: Option C
Explanation:
Post your comments here: