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Integral Calculus

1/1+x+xpower2 is decreasing function. Explain
Question from increasing and decreasing function

Profile image of Rahul Giri
7 Years agoGrade
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1 Answer

Profile image of Arun
7 Years ago
Dear student
 
F (x) = 1 /(1 + x + x²)
 
Now
 
F'(x) = - (2x+1)/ (1 + x +x²)²
 
Hence from x > -1/2 it is a decreasing fumctiof