Calculation: iCG1mI - 1

l  = 
saknis( x^2* y^2* z^2)
l = saknis( x^2* y^2* z^2)$$l$$ = $$\sqrt {x^{2}\cdot y^{2}\cdot z^{2}}$$
l =  x* y* z$$l$$ = $$x\cdot y\cdot z$$