Question

calcule o valor de C 10,3+C 8.2

Answer 1

Ola Rana

C(10,3) = 10!/3!7! = 10*9*8*7!/(3!7!) = 10*9*8/6 = 120 

C(8,2) = 8!/2!6! = 8*7*6!/2*6! = 56/2 = 28 

C(10,3) + C(8,2) = 120 + 28 = 148