Question

Determine os números binominais
a)( 10 2)=


b) (7 3)+(7 2)=

Answer 1

a)( 10 2)= 10.9/2! = 90/2= 45 ✓

b) (7 3) + (7 2)=

7.6.5/3! + 7.6/2!

7.6.5/6 + 42/2

35 + 21

56 ✓