Question

Expand (2 + a)2 using Pascal’s triangle.

Answer 1

http://calculator.tutorvista.com/math/597/binomial-expansion-calculator.html

Answer 2

that is the same as

(2+a) (2+a) use FOIL

Answer 3

i need the answer in a pascal triangle

Answer 4

http://www.mathwarehouse.com/algebra/polynomial/pascals-triangle.php

Answer 5

did you get it with that website ?

Answer 6

(2+a)^0 1
(2+a)^1 2 + a
(2+a)^2 a^2 + 4a + 4