Question

Calculati T3 din dezvoltarea

Answer 1

$T_{3}= C^{2}_{13} *( \frac{1}{3 \sqrt{x^{2} }})^{13-2}~* ( \sqrt{x^{3} })^{2} \\ \\ T_{3}=C^{2} _{13}* ( \frac{1}{3})^{11} * x^{- \frac{11}{2}}*x^{3} \\ \\ T_{3}=( \frac{1}{3} ) x^{11}*C^{2} _{13}* x^{- \frac{5}{2}}$