Evaluate $(1 - x)^6$.
University of Ilorin MTH101 ester past question
- $1 - 6x + 15x^2 - 20x^3 + 15x^4 - 6x^5 + x^6$
- $1 + 6x + 15x^2 + 20x^3 + 15x^4 + 6x^5 + x^6$
- $1 - 3x + 6x^2 - 10x^3 + 6x^4 - 3x^5 + x^6$
- $1 - 6x + 10x^2 - 15x^3 + 10x^4 - 6x^5 + x^6$
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