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- Pascal's Triangle - sum of numbers in each row
Row Pattern Corresponding binomial expression Sum of the numbers in,the row Express the sum as a power of 2 1 1 2 1 1 3 1 2 1 4 1 3 3 1 5 1 4 6 4 1 : : : : : n n+1
- What is the sum of the numbers in the 10th row of Pascal's Triangle?
- What is the sum of the coefficients in the expansion of ?
- Express the number pattern of Pascal's triangle in "combination" form, then deduce the following formula:
+ + + + … + + + =
- Without using a calculator, evaluate: