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Now we can produce something much more dramatic. Set up a new sheet with the integers around the edge as before. This time put in d5: '=d4+c4'and copy it into a huge rectangle from d5 to cc100 (say).You should get a huge mass of zeroes. Now set c4 = 1. What do you find? You should find "Pascal’s Triangle"or the binomial coefficients.

Exercise 0.5

Do this and answer the question which is larger, the binomial coefficient C(15,5) or C(14,6)? Solution