1.

If alpha, beta, gamma are the roots of the equation x^(3)+mx^(2)+3x+m=0, then the general value of Tan^(-1)alpha+Tan^(-1)beta+Tan^(-1)gamma is

Answer»

`(2n+1)pi/2`
`npi`
`(npi)/2`
dependent upon the VALUE of m

Answer :B


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