f(x)=x²+3x+1f(a+2)-f(a)=? acill yapın şunu lütfenn
f(a)=[tex]a^2+3a+1[/tex]
f(a+2)=[tex](a+2)^2+3(a+2)+1[/tex]=[tex]a^2+2a+4+3a+6+1[/tex]
f(a+2)-f(a)=[tex]a^2+2a+4+3a+6+1[/tex]-[tex]a^2+3a+1[/tex]=2a+10
