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= x + 2sinx, (1 — 2cosx)dx (1 — cosx)dx lim B ( —sdx = ( ( c. B. D. c. c. (1 + 2cosx)dx (I + cosx)dx 2 x 4X4 2 D. A. xdx — 4ydy C. 2xdx — 4ydy 10. A. 3x2 + 2xy 11. = e 12. 13. = sinx 14. lim 4y2 , IA] dz = ( B. xdx — ydy D. 2xdx - 8ydy C. 2xy B. ðz + 3 ðy 3x2 + y h. dy a + sinx,x > 0 15. J(3x + 2sinx)dx = ................
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