Question

Jika diketahui 6Cx=4Cx maka x =?

Answer 1

6Cx=4Cx
<=>(6.5.4!)/((6-x)(5-x)(4-x)!x!)=(4.!)/((4-x)!x!)
<=>(6.5)=(6-x)(5-x)
<=>30=30-11X+X^2
<=>X^2-11X=0
<=>X(X-11)=0
<=>X1=0 atau X2=11

Answer 2

Gini gan caranya.

Semoga Benar