Given a / 3 = B / 4 = C / 5, find a & # 178; + B & # 178; + C & # 178; / AB + BC + ca (a²+b²+c²)/(ab+bc+ca)
Let a / 3 = B / 4 = C / 5, let a / 3 = B / 4 = B / 4 = C / 5, and let a / 3 = B / 4 = C / 5 = t, let a / 3 = B / 4 = C / 5 = t, then: a = 3T, B = 4T, B = 4T, C = 5T (a \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\#178;) = 50 / 47
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- 1. If inequality | X-1|
- 2. The solution of inequality is 2 × & # 178; - 3 × - 2 ≤ 1?
- 3. In high school inequality, there is a common inequality ab ≤ [(a + b) / 2] 178; or ab ≤ (A & # 178; + B & # 178;) / 2 There is a common inequality in senior high school, which is ab ≤ [(a + b) / 2] 178; or ab ≤ (A & # 178; + B & # 178;) / 2. Is there any difference between [(a + b) / 2] 178; and (a & # 178; + B & # 178;) / 2, or is it equal?
- 4. A & # 178; + B & # 178; + ab ≥ 0
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- 8. Senior high school mathematical inequality proof: when a > 0, b > 0, 1 / AB + 1 / a (a-b) > = 4 / A ^ 2
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- 10. The proof of inequality in the second year of senior high school This is a thinking problem in my homework It is known that a > b > 0 (a-b)^2/8a
- 11. A-B = 3, B-C = 2, a & # 178; + B & # 178; + C & # 178; = 1, find the value of AB + BC + ca
- 12. Elementary inequality system or inequality equation of first degree with one variable (the more, the better)
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- 20. The expression of relation is called inequality