Question 917298
Let A and B be the two numbers.
{{{A=2B}}}
{{{A*B=105}}}
Substituting,
{{{2B*B=105}}}
{{{B^2=105/2}}}
{{{B=0 +- sqrt(105/2)}}}
When {{{B=sqrt(105/2)}}}
{{{A=2*sqrt(105/2)}}}
{{{A=sqrt(210)}}}
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When {{{B=-sqrt(105/2)}}}
{{{A=-sqrt(210)}}}