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Can row sum of elements in a Pascal's Triangle form a pattern?
 
Answer:
 
The row sum of elements in a Pascal's Triangle form a pattern as
.
Answer variants:
\(y = 2^{x} - 1\)
\(y = 2^{x - 1}\)
\(y = 2x - 1\)
\(y = 2^{x}\)