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∣a1b1+a2b2+...+anbna12+a22+...+an2∣−b12+b22+...+bn2>0\large\left|\frac{a_{1}b_{1} + a_{2}b_{2} + ... + a_{n}b_{n}}{\sqrt{a_{1}^2 + a_{2}^2 + ... + a_{n}^2}} \right| - \sqrt{ b_{1}^2 + b_{2}^2 + ... + b_{n}^2} > 0∣∣∣∣∣a12+a22+...+an2a1b1+a2b2+...+anbn∣∣∣∣∣−b12+b22+...+bn2>0.
Let a1,a2,…,ana_1,a_2,\ldots,a_n a1,a2,…,an and b1,b2,…,bnb_1,b_2,\ldots,b_nb1,b2,…,bn be real numbers for which the inequality above is fulfilled. Which of the answer choices given is true?
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