Each subsequent row of Pascal's triangle is obtained by adding the two entries diagonally above. This follows immediately from the binomial coefficient identity
(1)
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(2)
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(3)
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(4)
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(5)
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Each subsequent row of Pascal's triangle is obtained by adding the two entries diagonally above. This follows immediately from the binomial coefficient identity
(1)
| |||
(2)
| |||
(3)
| |||
(4)
| |||
(5)
|
Weisstein, Eric W. "Pascal's Formula." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PascalsFormula.html