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Here are some exercises. In each, use the Binomial Formula:
- 1.
- Expand (a + b)5
- 2.
- Expand (1 + i)4 where i2 = -1.
- 3.
- Expand (1 = i)6 where i2 = -1.
- 4.
- What is the coeficient of x3 in (1 + x)150?
- 5.
- What is the coeficient of x3 in (2x + 1)150?
- 6.
- What is the coeficient of x3 in (x + 2)150?
Eric S Key
5/8/2001
