It is known that: (a + b) &# 178; = 11, (a-b) &# 178; = 5, then the value of a & # 178; + B & # 178; is equal to_____

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RELATED INFORMATIONS

1. If ABC is three positive numbers, and satisfies a + B + C = 18,1  a + B + 1  B + C + 1  C + a = 10  9, then what is the value of a  B + C + B  C + A + C  a + B?
2. Given that | a + & # 189; | + | B + 3 / 10 | + | C-9 7 / 10 | = 0, then ABC =?
3. It is known that ABC is an integer that is not zero, 7 / 2 equals 9 / 5 equals 10, only 21, ABC is arranged from small to large
4. A + B + C = 312, given that a, B and C can be divisible by 789 respectively and the quotient is the same, what are ABC equal to
5. In △ ABC, given a = 9, B = 2, C = 150 °, what is C equal to?
6. It is known that the square of a + the square of B + the square of C = (a + B + C), ABC is not equal to 0, and the proof is: 1 / A + 1 / B + 1 / C = 0 /It's a division sign
7. In the triangle ABC, it is known that a equals 8, B equals 60 degrees, C equals 75 degrees, then what is B equal to
8. In triangle ABC, if ∠ A is equal to 60 degrees, ∠ B is equal to 45 degrees, and ∠ C is equal to 75 degrees, what triangle is this triangle?
9. Given the triangle ABC, a equals 45 degrees, B equals 75 degrees, B equals 8, find the edge a () a: 8 B: 4 C: 4 Given the triangle ABC, a equals 45 degrees, B equals 75 degrees, B equals 8, find the edge a () A：8 B：4 C：4√3－3 D：8√3－8
10. In the triangle ABC, given a = 8, B = 60, C = 75, find a, B,
11. Given that a is not equal to B, and a ^ 2 + 3a-7 = 0, B ^ 2 + 3b-7 = 0, find the value of (1 / a) + (1 / b)
12. Given that a is not equal to B, and satisfies a ^ 2-3a + 1 = 0, B ^ 2-3b + 1 = 0, find the value of 1 / A ^ 2 + 1 + 1 / b ^ 2 + 1
13. It is known that (a + b) divided by 2Ab = 3, then (3a-7ab + 3b) divided by (a + 3AB + b) is equal to? RT
14. Factorization of 2 (a ^ 2-3ac) + a (4b-3c)
15. Observe two formulas: the square of a + B + C and the square of a + B + C + 2Ab + 2BC + 2ca,
16. Let a, B, C ∈ [0,2], and prove that 4A + B ^ 2 + C ^ 2 + ABC ≥ 2Ab + 2BC + 2ca
17. As shown in the figure, use square area to explain the formula: (a + B + C) 2 = A2 + B2 + C2 + 2Ab + 2Ac + 2BC
18. A-B + C = 5, find the value of a ^ 2 + B ^ 2 + C ^ 2-2ab-2bc + 2ca
19. In △ ABC, if 3a2 + 3b2-3c2 + 2Ab = 0, then Tanc=______ ．
20. Given that a: B: C = 2:3:4 and 3a + 5b-4c = 15, find the values of a, B and C