Using Lagrange\'s mean value theorem prove that if `b gt a gt 0` `\"then \" (b-a)/(1+b^(2)) lt tan
Channel: Doubtnut
Date: 2020-01-26

Using Lagrange\'s mean value theorem prove that if `b gt a gt 0` `\"then \" (b-a)/(1+b^(2)) lt tan^(-1) b -tan^(-1) a lt (b-a)/(1+a^(2))`