d/dc (a_1 * b_1^2 + a_2 * c^2 + a_3 * d_3^2) / (b^2 + c^2 + d^2)d/dc (a_1 * b_1^2 + a_2 * c^2 + a_3 * d_3^2) / (b^2 + c^2 + d^2)

• Natural Language
• Math Input