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Grade: 12th pass 

                        
prove that (a+ib)^m/n+ (a-ib)m/n= 2(a^2+b^2)^m/2ncos(m/ntan^-1a/b)
3 years ago

Answers : (1)

Saurabh Koranglekar
askIITians Faculty
8397 Points 
							Dear student

(a-ib)m/n is expected to be(a-ib)^m/n

Kindly verify and repost the question in standard notation

Regards
6 months ago
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