`tan^(-1)x + cot^(-1) (1/x) + 2tan^(-1)z =pi`, then prove that `x + y + 2z = xz^2 + yz^2 + 2xy
689 views · Published 13 October 2018 · 3:04 · Indexed 20 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW `tan^(-1)x + cot^(-1) (1/x) + 2tan^(-1)z =pi`, then prove that `x + y + 2z = xz^2 + yz^2 + 2xyz`
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