(b) / 25 49-64t2 1 (d) | |x| 522 - 1 1 100+ x2 dx da dt dx dx (f) 1 3. Integrate. 4 (a)/4 a) / 4 + 372 (c) S da 5t dt 3-8t2 1 (e) Drive 1 (g) 1+21-2x cos(x) 1 + sin(x) (i) /1 (k) / (m) 4x2 t +2 4-t2 dx dt dx (0) / 2x-5 dx 3x+16 Final Answers: 2s+2 dr dx (h) ds (s+1)+1 2 sin(x) cos(x) (i) / 1 + sin (2) 2 dx (1)(+2+1+2+2x+2) d 4 (n) | |92-25 dx owen A sui 2 3x (a) arctan +C 2 (b) - 25 8t arcsin +C 8 7 (c) -- 3-81 + C (e) 5arcsec(5x) + C (d) arcsec(5x) + C 1 X (f) arctan 10 55 +C bui