Teaching UP TGT Mock Test Series 2025 Mathematics Sequences and Series Arithmetic Progressions

If \( x, y, z \) are in \( A.P \) and \( \tan^{-1}x, \tan^{-1}y \) and \( \tan^{-1}z \) are also in \( A.P \), then

1
\( 2x=3y=6z \)
2
\( 6x=3y=2z \)
3
\( 6x=4y=3z \)
4
\( x=y=z \)
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