• Matematika
  • PROBABILITAS Kelas 12 SMA
  • Peluang Wajib
  • Kombinasi

Video solusi : Find in ascending power of t, the first three terms in expansions of a. (1 + at - bt^2)^3 b. (1 - at + bt^2)^3 Hence find, in terms of a and b, the coefficient of t^3 in expansions of (1 + at - bt^2)^3 (1 - at + bt^2)^3.

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