MathematicsHard178×since 2002Q5184Let A1A_{1}A1 and A2A_{2}A2 be two arithmetic means and G1,G2,G3G_{1}, G_{2}, G_{3}G1,G2,G3 be three geometric means of two distinct positive numbers. Then G14+G24+G34+G12G32G_{1}^{4}+G_{2}^{4}+G_{3}^{4}+G_{1}^{2} G_{3}^{2}G14+G24+G34+G12G32 is equal to :A(A1+A2)2G1G3\left(A_{1}+A_{2}\right)^{2} G_{1} G_{3}(A1+A2)2G1G3B(A1+A2)G12G32\left(A_{1}+A_{2}\right) G_{1}^{2} G_{3}^{2}(A1+A2)G12G32C2(A1+A2)G12G322\left(A_{1}+A_{2}\right) G_{1}^{2} G_{3}^{2}2(A1+A2)G12G32D2(A1+A2)G1G32\left(A_{1}+A_{2}\right) G_{1} G_{3}2(A1+A2)G1G3Check answerSkip