Q 1282178937.     Solve ` 3 tan 2x - 4 tan 3x = tan^2 3x tan 2x`

(This question may have multiple correct answers)

A `x = n pi pm tan ^(-1) sqrt(2/5) , n in I`
B `x = n pi , n in I`
C `x = n pi pm tan ^(-1) sqrt(3/5) , n in I`
D `x = pi , n in I`

HINT

`3 ( tan 2x - tan 3x ) = tan3x ( 1 + tan 3x tan 2x )`
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