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Answer :

Kamilmatematik100504go

[tex]\dispalystyle a_1=11 ~\\\\~ d=a_2-a_1=19-11=8 \\\\ a_{10}=a_1+(10-1)d=11+9d=11+72=\boxed{83} \\\\\\ \huge\boxed{\mathfrak{Answer}:a_{10}=83}[/tex]

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