Question

( f^{prime prime} frac{2 cos x cdot cos x-sin x}{x^{2}} )
( x cos x-sin x>0 )
( x ) fann
( x< ) fan ( x ) (fordeceresery ( x-tan x<0 )
( sin x(-C, x) )

# The function 1x) is decreasing in the interval 100.0 (d) none of these

Solution