Question 378251
{{{f(x)=3x^2}}}
{{{g(x)=1/2}}}
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{{{f(g)=3g^2}}}
{{{f(g)=3(1/4)}}}
{{{highlight(f(g)=3/4)}}}
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{{{(3+i)/(2-i)=((3+i)/(2-i))*((2+i)/(2+i))}}}
{{{(3+i)/(2-i)=(6+3i+2i+i^2)/(4+2i-2i-i^2)}}}
{{{(3+i)/(2-i)=(5+5i)/(5)}}}
{{{highlight((3+i)/(2-i)=1+i)}}}