Question

expand using binomial theorem (2x + 3y) ^ 5

Answer 1

summation from 1 to 5 5Ci(2x)^(5-i) * (3y)^i

Answer 2

Can i have full response please

Answer 3

According to grade 11

Answer 4

do you know how to calculate combination?? 5C1

Answer 5

no

Answer 6

do you know what does ! symbol represent?? 4! =?

Answer 7

Its ok

Answer 8

so you know what factorial means right??

5C2 = 5!/((5-2)!2!) ,,, got that pattern .., right 5 at the top, 5-2 ! and 2! at the bottom

Answer 9

As I recall you used Pascals triangle to evaluate this. It is based of Sierpinksi's Triangle, so if you know that, then it should be pretty easy figure out how to draw.

Answer 10

yes brainshot

Answer 11

that that would make things lot easier

Answer 12

there you go pascal's trianlge
http://en.wikipedia.org/wiki/File:Pascal%27s_triangle_5.svg

Answer 13

for your particular case you should use the last row, n=5 means six terms.

Answer 14

ok
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