If a, B and C are all positive numbers, then (a + b) (B + C) (c + a) > = 8abc

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• 1. Prove the inequality, if a, B, C are all positive numbers, then (a + b) (B + C) (c + a) ≥ 8abc
• 2. Positive numbers a, B, C satisfy a + B + C-2 = 0, and prove that (2-A) (2-B) (2-C) is greater than or equal to 8abc
• 3. How to prove that (A's square + 1) times (B's square + 1) times (C's square + 1) is greater than or equal to 8abc
• 4. Proof: if ABC is positive, then (a + b) (B + C) (c + a) > = 8abc Online solution, get rid of~~
• 5. It is proved that (a + b) (B + C) (c + a) is greater than or equal to 8abc, and (a, B, c) are positive real numbers
• 6. (a + b) * (B + C) * (a + C) greater than or equal to 8abc
• 7. Given that A.B.C is a positive integer, what is the answer to prove that (a + b) (B + C) (c + a) is greater than or equal to 8abc
• 8. In the triangle ABC, A.B.C is the three sides opposite to the angle A.B.C, a square - (B-C) square = BC, 1. Find the angle A 2. If BC = 2 times root sign 3, angle B is equal to X and perimeter is y, find the value range of function y = f (x)
• 9. In the triangle ABC, a, B and C are the opposite sides of angles a, B and C respectively, and satisfy b square + C square - a square = BC 1. Find the value of angle a 2. Find the value of sin (a + 15 degrees)
• 10. In △ ABC, we know that a, B and C are angles, a, B and C are opposite sides, a and B are acute angles, and cos2a = 3 / 5, SINB = 10 / √ 10 What's the math problem In △ ABC, it is known that a, B and C are angles, a, B and C are opposite sides, a and B are acute angles, and cos2a = 3 / 5, SINB = 10 / √ 10 Find the value of a + B?
• 11. In the triangle ABC, if three sides are known to be continuous positive integers, The cosine value of the maximum angle is - 1 / 4. Find the maximum area of the parallelogram with the maximum angle as the inner angle and the sum of the two sides of the angle as 4
• 12. It is known that the lengths of a, B and C on three sides of a triangle ABC are integers, and a is less than or equal to B and less than or equal to C. If b = m (m ∈ positive integer), then such a triangle has I know the answer is m (M + 2) / 2, but I don't know why There are several (in M)
• 13. In △ ABC, the lengths of three sides are positive integers a, B and C respectively, and C ≥ B ≥ a > 0. If B = 4, then such triangles have the same length______ One
• 14. a. B. C is three positive integers, known ABC = 2008, find the minimum value of a + B + C What is this mathematical idea
• 15. Given that a, B and C are all positive integers, and ABC = 2008, then the minimum value of a + B + C is______ ．
• 16. Given that a, B and C are all positive integers, and ABC = 2008, then the minimum value of a + B + C is______ ．
• 17. Given that a, B and C are all positive integers, and ABC = 2008, then the minimum value of a + B + C is______ ．
• 18. Given that ABC is a positive integer and satisfies a + C = 10, C + B = 13, try to judge whether a, B and C can form a triangle
• 19. Given that ABC is a positive integer and satisfies a + C = 10, C + B = 13, find a, B,
• 20. A + B + C = 0 ABC = 2 find the value of a B C