1 1 1 2 il 1 3 3 1 1 4 6 4 1 1 0) 10 10 5 1 1 6 15 20 15 6 1 1 7 21 35 35 21 7 il 1 8 28 56 70 56 28 8 1

(0+0)”= 1

(04+0)ㄴ= a+b

(a+b)?= a? +2ab+b’

(a+b)}e= a+3a’b+3ab?+b°

(a+b)i= ai+4a°b+6a’b?+4ab* + b*

(a+b)?= a +5a’b+10a°b? + 10a°b? + 5ab‘ + 6°

(0+0)“= a> +6a2b-+ 15a’b? +20a°b? + 15a7b! + 6ab? + 0° (a+6)’= a +7a8b +21a°b? + 35a’b +35a°b! + 21a°b’ + Tab’ +b! (a+b)§= a®+8a’b+28a°b? + 56a°b? + 70atb! +56a°b° + 28a°b* + 8ab’ + 5°

4a re illo mu cht 원 4> pecs 1 1 a

2 문모 re 로 + og