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Posted by on Monday, May 7, 2012 at 12:29pm.

The numbers 1, 7, 21, 35, 35, 21, 7, 1 form a row of pascal's Triangle.

Which power of (a+b) does the row go with?
Write the next row?

  • math - , Monday, May 7, 2012 at 1:52pm

    easy ....

    since (a+b)^n = 1a^2 + na^(n-1) b + ....

    so 1, 7, 35 ... must come from (a+b)^7

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