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Use Pascal's Triangle to complete the expansion of . ____
Full solution
Q. Use Pascal's Triangle to complete the expansion of . ____
- Look at Pascal's Triangle: Look at the row of Pascal's Triangle to find the coefficients for the expansion of .
- Identify Coefficients: The th row of Pascal's Triangle is . These are the coefficients for the terms from to .
- Find Coefficient: The coefficient for the term is the second number in the th row, which is .
- Write Complete Expansion: Write down the complete expansion with the missing coefficient filled in: .
