I.4.33 Curvilinear Integrals

Condition: Calculate the curved integral of the 1st kind, taken along the spatial curves: \ [\ int_ {c} x^{2} d s \ text {, where} c- \ text {circle} x^{2}+y^{2}+z^{2} = a^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^LEA. \ Text {,} \] \ [x+y+z = 0 \]