§ 2.

                 21.
f(x)   f ¢(x).

21.01. f(x) = ( + 2)2 (4 16) (3 8); 

21.02. f(x) = ( 1) (4 1) (3 + 1);

21.03. f(x) = ( 2)2 (4 16) (3 + 8);

21.04. f(x) = ( 1)2 (2 1) (3 + 1) ( + 1)2;

21.05. f(x) = (2 4) (4 16) ( + 2)2 ( 2);

21.06. f(x) = (2 2) (2 1) (2 4) (3 + 8);

21.07. f(x) = (2 + 2) × ( 1)2 × (3 + 1);

21.08. f(x) = ( + 3)2 × (4 81) × (3 27);

21.09. f(x) = ( 3)2 × (4 81) × (3 + 27);

21.10. f(x) = (2 + 5 + 6) × (2 9) × ( + 3)2;

21.11. f(x) = (2 5 + 6) × (2 9) × ( 3)2 × ( 2);

21.12. f(x) = (2 6) × (2 9) × (2 4);

21.13. f(x) = (2 + 6) × (2 9) × (2 4) × ( + 3);

21.14. f(x) = ( + 4)2 × (2 16) × (3 64);

21.15. f(x) = ( 4)2 × (2 16) × (3 + 64);

21.16. f(x) = (2 + 4 + 3) × (2 1) × (2 9) × ( + 1)2;

21.17. f(x) = (2 4 + 3) × (2 1) × (2 9);

21.18. f(x) = (2 1) × (2 9) × ( 1)2 × ( + 3)2;

21.19. f(x) = (3 27) × (2 9) × ( + 3)2;

21.20. f(x) = (3 + 27) × (2 9) × ( 3)2;

21.21. f(x) = (2 20) × (2 25) × (2 16);

21.22. f(x) = (2 20) × (3 125) × (2 16) × (x + 4);

21.23. f(x) = (3 125) × ( 5)2 × (x + 5)2 (x2 25);

21.24. f(x) = (2 16) × (3 64) × ( + 4)2 × ( 4);

21.25. f(x) = (2 9) × ( 3)2 × ( + 3)2 × (2 4x + 3);

21.26. f(x) = (2 9) × ( + 3)2 × ( 3)2 × (2 4x + 3);

21.27. f(x) = ( 8) × (2 + 4x + 4) × (2 x 2) × (2 1);

21.28. f(x) = ( 2)2 × ( + 2)2 × (3 8) × (3 + x 2);

21.29. f(x) = (3 125) × (2 25) × (2 + 10x + 25) × (2 + 5x + 25);

21.30. f(x) = (3 + 125) × (2 10x + 25) × (2 5x + 25) × (x + 5);

21.31. f(x) = (2 36) × (3 216) × (2 + 6x + 36);

21.32. f(x) = (2 36) × (2 12x + 36) × (3 216);

21.33. f(x) = (2 + 7 + 6) × (2 1) × (2 36);

21.34. f(x) = (2 7x + 6) × (2 1) × (2 2x + 1);

21.35. f(x) = (2 1) × (2 + 2x + 1) × (2 4x + 3);

21.36. f(x) = (2 x 12) × (2 4) × (2 9).

 

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