1.

Number of solutions of the equation tan x+tan 2x +tan3x=tanx tan 2x tan 3x,x in [0,pi] ils

Answer»

`(pi)/6, (2PI)/3, pi`
`(pi)/3, (2pi)/3, pi`
`(pi)/3, (pi)/2, 2pi`
`(pi)/2, (3PI)/2, pi`

Answer :B


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