Question bank/JEE Main/Mathematics
JEE MainMathematics
Number of critical points of the function, f(x) =
[IMAGE] dt which lie in the interval [− 2π, 2π] is
Show answer and solution
note that f is defined for x > 0
f ′ (x) = [IMAGE] cos 2x = 0 ⇒ x = n π ±
f ′ (x) = [IMAGE] cos 2x = 0 ⇒ x = n π ±
Source: Grass-G / M-01 Mathematics Paper-1.docx
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