Grade 11Algebra
If n is a multiple of 6 and alpha, beta are the roots of x^2 + x + 1 = 0 then (1 + alpha)^-n + (1 + beta)-n = ?
1 Answer
Saurabh Koranglekar
Dear student
x= (-1 ± i(sqrt(3)))/2
Now
Regards
x= (-1 ± i(sqrt(3)))/2
Now
Regards
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