Posted by **Jas** on Tuesday, March 18, 2008 at 10:03am.

In 1654 Blaise Pascal invented Pascal's triangle,for which the

first four rows are given:

1

1 1

1 2 1

1 3 3 1

1 4 6 4 1

1 5 10 10 5 1

--1 6 15 20 15 6 1

--1 7 21 35 35 21 7 1

Determine the ratio of the sums of the terms of the seventh and

eighth rows.

Is this answer correct?

Seventh- 127

Eighth- 136

- math -
**drwls**, Tuesday, March 18, 2008 at 10:05am
Where?

- math -
**Jas**, Wednesday, March 19, 2008 at 4:26pm
1

1 1

1 2 1

1 3 3 1

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