If `tan^(-1)4 = 4 tan^-l x,` then `x^4 + x^3 - 6 x^2 - x + 4` is equal to
10 views · Published 13 October 2018 · 4:23 · Indexed 1 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `tan^(-1)4 = 4 tan^-l x,` then `x^4 + x^3 - 6 x^2 - x + 4` is equal to
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