From the following, find the correct relation [MP PET 1990]
(AB)' = A'B'
(AB)' = B'A'
A-1 = adj A / A
(AB)-1 = A-1B-1
∫1−1 x17cos4 x dx= [MP PET 1990]
∫10e2 In xdx= [MP PET 1990]
Which of the following set of points are non- collinear [MP PET 1990]
∫1−1x|x|dx= [MP PET 1990; Pb. CET 2004]