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Fox375
2. Expand (4x – 3y)4 using Pascal’s Triangle. (2 points)
i tend to line these up in columns you know the row of the triangle that you should use?
1 121 1331 14641 , yeah, its the 4th 1 4 6 4 1 <-- pascals triangle row a^4 a^3 a^2 a^1 a^0 <-- first term b^0 b^1 b^2 b^3 b^4 <-- second term ----------------------- multiply them down and add them all up for the answer