1.

निम्न फलन का x के सापेक्ष अवकल गुणांक ज्ञात कीजिए|` e^(tan ^(-1_x) )log (tan x ) `

Answer» Correct Answer - ` e^(tan ^(-1_x))[(sec^(2)x)/(tan x )+ (log tan x )/(1+x^(2))]`
` (d)/(dx) { e^(tan ^(-1_x))*log (tan x )}`
` " "= e^(tan ^(-1_x))*(d)/(dx) (log tan x )+ log (tan x ) (d)/(dx) (e^(tan ^(-1_x))) `
` " "= e^(tan ^(-1_x))*(1)/(tan x ) *sec ^(2) x+ log tan x*e ^(tan -1_x) (1)/((1+x^(2)))`


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