Question 330117
{{{(sqrt(u)-sqrt(v))/(sqrt(u)+sqrt(v))=((sqrt(u)-sqrt(v))/(sqrt(u)+sqrt(v)))*((sqrt(u)-sqrt(v))/(sqrt(u)-sqrt(v)))}}}
{{{(sqrt(u)-sqrt(v))/(sqrt(u)+sqrt(v))=(u-2sqrt(uv)+v)/(u-sqrt(uv)+sqrt(uv)-v)}}}
{{{(sqrt(u)-sqrt(v))/(sqrt(u)+sqrt(v))=(u-2sqrt(uv)+v)/(u-v)}}}