English: Therefore, where D_(eq) = (D₁₂D₂₃D₃₁)^(1/3) that is cube root is equal to I am writing here capital D_(ab) * D_(bc) * D_(ca) one third this is equation 17 right.
Telugu: అందువలన, D_(eq) = (D₁D₃₃₃₁₃₁₃₃₃₃₃₃₃₃₃ D_ D_₃ D_₃₃₃₁₃₃₃₃₃₃₃₁₃₃₃₃₃₃₃₃₃₁₁₁₁D₃₃₃₃₃₃₃₃₃