Using Lagrange's mean value theorem prove that if `b gt a gt 0`   `"then " (b-a)/(1+b^(2))
Channel: Doubtnut
Date: 2020-04-12

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))`