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Grade: 10
        
if \alpha,\beta &\delta are in AP., 2\beta\alpha +\delta
 hint cot \beta = cot \alpha +\delta
                          ----------
                             2>please help out with this problem
3 years ago

Answers : (1)

Nishant Vora
IIT Patna
askIITians Faculty
2467 Points
							Dear student,

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Thanks
3 years ago
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