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Home > CCA2 > Chapter 10 > Lesson 10.3.1 > Problem 10-146

10-146.

Use the pattern for to write the fourth term of .

Using Pascal's Triangle, find the pattern for the th term of the th row.

Pascal's triangle, from rows, n, = 0, to n, = 5, where n, = 5, is 1, 5, 10, 10, 5, 1.

Substitute for and for and simplify.