If 4 tan -1 X-1 x-2 -1 + tan x+lx x+2 4, then find the value...
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If 4 tan -1 X-1 x-2 -1 + tan x+lx x+2 4, then find the value of x. If 4 tan -1 X-1 x-2 -1 + tan x+lx x+2 4, then find the value of x.
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