1.

Number of solutionsof the equation of the equation tanx + tan 2 x + tan 3 x = tan 3 x = tan x tan 2x tan 3 x, x in [ 0 , pi ]is

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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