Question: Evaluate the followings: ( i ) 0 c o s x - c o s 2 x x d x , ( i i )

Evaluate the followings:
(i)0cosx-cos2xxdx,
(ii)L{xe2x0xt2sin(x-t)(x-t)dt}
(iii)L-1{e-4sLn(s2+1s2+s}
(iv)L{x-[x]} where x>0
Evaluate the followings: ( i ) 0 c o s x - c o s

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