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January 25, 2015

January 25, 2015

Posted by **Patty** on Monday, May 21, 2012 at 11:07pm.

(2x + y^3)^5

- math -
**carly**, Tuesday, May 22, 2012 at 1:00amuse pascals triangle

1 5 10 10 5 1

for example

Expand (2 + 3x)5.

Applying the general rule of ascending and descending indexes and the coefficients from Pascal we can immediately expand the above equation (if we set a to 2 and b to 3):

25 + 5(24)(3x) + 10(23)(3x)2 + 10(22)(3x)3 + 5(2)(3x)4 + (3x)5

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