Inspired by book of my teacher

Probability Level 2

Find the number of non-negative integer triples ( x 1 , x 2 , x 3 ) (x_1, x_2, x_3) such that x 1 + x 2 + x 3 = 81 x_1+x_2+x_3 = 81 .


The answer is 3403.

Ardhiana Yahya Ramadhan by Ardhiana Yahya Ramadhan , 19, Indonesia

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1 solution

Formula: = ( n + r − 1 ) C ( r − 1 ) =(n+r-1)C(r-1) = ( 81 + 3 − 1 ) C ( 3 − 1 ) =(81+3-1)C(3-1) = 3404 =3404

Yee ka Yahya on lagi,, nanti ketemu di kmnr

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