jee-advanced 2013 Q44

jee-advanced · India · paper1 Curve Sketching Number of Solutions / Roots via Curve Analysis

The number of points in $( - \infty , \infty )$, for which $x ^ { 2 } - x \sin x - \cos x = 0$, is
(A) 6
(B) 4
(C) 2
(D) 0

The number of points in $( - \infty , \infty )$, for which $x ^ { 2 } - x \sin x - \cos x = 0$, is\\
(A) 6\\
(B) 4\\
(C) 2\\
(D) 0