If `a = e^(2pi i)/7 and f(x) = A_0 +sum_(k=1)^20 A_k x^k`, then the value of `sum_(r=0)^6 f
265 views · Published 13 October 2018 · 6:03 · Indexed 7 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `a = e^(2pi i)/7 and f(x) = A_0 +sum_(k=1)^20 A_k x^k`, then the value of `sum_(r=0)^6 f(a^r x) = n( A_0 + A_nx^n + A_(2n) x^(2n))` , then the value of n is
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