Question 833144
{{{abs((matrix(3,3,a,b,c,d,e,f,g,h,i)))=a(ei-fh)+b(fg-hi)+c(dh-eg)=5}}}
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{{{abs((matrix(3,3,3a,3b,3c,3d,3e,3f,3g,3h,3i)))=3a(3e(3i)-3f(3h))+3b(3f(3g)-3h(3i))+3c(3d(3h)-3e(3g))}}}
{{{abs((matrix(3,3,3a,3b,3c,3d,3e,3f,3g,3h,3i)))=3^3(a(ei-fh)+b(fg-hi)+c(dh-eg))}}}
{{{abs((matrix(3,3,3a,3b,3c,3d,3e,3f,3g,3h,3i)))=3^3(5)}}}
{{{abs((matrix(3,3,3a,3b,3c,3d,3e,3f,3g,3h,3i)))=135}}}