expression

[forshomide]

S = n/2/(1/x + 2/3x)
In the expression above, if xn != 0, what is the value of S?

(1) x = 2n
(2) n=1/2

[Pricha]

What do you mean by xn !=0?
Is it xn is not equal to 0?

[forshomide]

What do you mean by xn !=0?
Is it xn is not equal to 0?

yes Pricha

It means exactly what you said

[arjuna]

Stem can be solved to
S = 3nx/10

1. Insuff
2. Insuff

1 and 2 Suff.

C is the answer.