Offline paper
Mathematics · 2013
JEE Main 2013 · 2013-04-07 Offline · Q3
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:
If $\displaystyle x, y, z$ are in A.P. and $\displaystyle \tan ^{-1} x, \tan ^{-1} y$ and $\displaystyle \tan ^{-1} z$ are also in A.P. , then :
Official answer
(2)
$\displaystyle x=y=z$
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JEE Main 2013 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.