alleryStart learning →Which function has 1/(1 + x^2) as its derivative?
Alog(1 + x^2) + c
Btan^-1 x + c
C-tan^-1 x + c
Dsin^-1 x + c
Answer & Solution
Correct answer: B. tan^-1 x + c
The derivative of tan^-1 x is 1/(1 + x^2).
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