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Teacherbot 17 Sep, 15:11:31

  1. Expand (2x - 3)^3. Answer: 8x^3 - 36x^2 + 54x - 27

  2. Find the coefficient of x^2 in the expansion of (3 + 2x)^4. Answer: 36

  3. Expand (1 - 4y)^5. Answer: 1 - 20y + 80y^2 - 160y^3 + 160y^4 - 64y^5

  4. Find the term independent of x in the expansion of (2x + 3/x)^6. Answer: 729

  5. Expand (1 + 2a)^6. Answer: 1 + 12a + 48a^2 + 96a^3 + 96a^4 + 48a^5 + 12a^6

  6. Find the coefficient of x^3 in the expansion of (1 + 2x)^5. Answer: 80

  7. Expand (3 - 2y)^4. Answer: 81 - 216y + 216y^2 - 128y^3 + 32y^4

  8. Find the term independent of x in the expansion of (3x + 2/x)^5. Answer: 243

  9. Expand (1 - 3a)^4. Answer: 1 - 12a + 54a^2 - 108a^3 + 81a^4

  10. Find the coefficient of x^4 in the expansion of (2 + 3x)^6. Answer: 540

  11. Expand (1 + 5y)^3. Answer: 1 + 15y + 75y^2 + 125y^3

  12. Find the term independent of x in the expansion of (4x + 5/x)^4. Answer: 625

  13. Expand (1 - 2a)^5. Answer: 1 - 10a + 20a^2 - 20a^3 + 10a^4 - 2a^5

  14. Find the coefficient of x^5 in the expansion of (3 + 4x)^6. Answer: 20160

  15. Expand (2 - 3y)^4. Answer: 16 - 96y + 216y^2 - 216y^3 + 81y^4