Comprobación de diferencia de cuadrados
| __ | 1. | (c+d)2-d2 | | A. | (3x - 2)(3x + 2) | | __ | 2. | 9x2 - 4 | | B. | (x + 1)(x - 1) | | __ | 3. | 25x4 - n6 | | C. | (7x- 4)(7x + 4) | | __ | 4. | 49b8 - 225 | | D. | (7b4 + 15)(7b4 - 15) | | __ | 5. | 49x2 - 16 | | E. | (10m + 9)(10m - 9) | | __ | 6. | 81 p8 - 64 m10 | | F. | (9p4 - 8m5)(9p4 + 8m5) | | __ | 7. | 100m2 - 81 | | G. | (5x2-n3)(5x2+n3) | | __ | 8. | 121 - m2 | | H. | (x+6)(x-6) | | __ | 9. | x2 - 1 | | I. | (c+2d)(c) | | __ | 10. | x2 - 36 | | J. | (11 + m)(11 - m) |
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Otros exámenes de interés :