Question 1166994
<pre>
{{{matrix(1,3,

y,""="",7/(sqrt(x)+2))}}}

{{{matrix(1,3,

y,""="",7*(sqrt(x)+2))^(-1)}}}

{{{matrix(2,3,
"","","",
y,""="",7*(x^(1/2)+2))^(-1)}}}

{{{matrix(2,3,
"","","",
dy/dx,""="",-7*((x^(1/2)+2)^(-2)))expr(1/2)x^(-1/2)}}}


{{{matrix(2,3,
"","","",
dy/dx,""="",expr(-7/2)*((x^(1/2)+2)^(-2)))(1^""^""/x^(1/2)^""^"")}}}

{{{matrix(2,3,
"","","",
dy/dx,""="",expr(-7/2)*((sqrt(x)+2)^(-2)))(1/sqrt(x))}}}

{{{matrix(2,3,
"","","",
dy/dx,""="",expr(-7/2)*(1/(sqrt(x)+2)^2))(1^""/sqrt(x)^"")}}}

{{{matrix(2,3,
"","","",
dy/dx,""="",expr((-7)/(2*sqrt(x)*(sqrt(x)+2)^2)))}}}

Edwin</pre>