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(7)re-rd. d 9)∫a+x (10)J=4=; (11)∫ (12)∫ta (13)∫l2s (14)∫ (15) d ∫sg (18)∫ u-do; 19)∫ )∫a )∫ 4)∫sin d 3(7) R xe−x 2 dx; (8) R e x 1+e x dx; (9) R dx e x+e−x+2; (10) R dx e x+e−x; (11) R tan xdx; (12) R tan5 x sec2 xdx; (13) R 1−2 sin x cos2 x dx; (14) R dx A sin2 x+B cos2 x; (15) R cos5 xdx; (16) R dx 1+sin x; (17) R cos 2x sin x cos x dx; (18) R sin x cos x 1+sin4 x dx; (19) R x 4+x2 dx; (20) R x 4+x4 dx; (21) R 5−4x 3x−2 dx; (22) R sin 2x cos 3xdx; (23) R (ln x) 2 x dx; (24) R sin 1 x . dx x2; (25) R (arcsin x) 2 √ 1−x2 dx; 3
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