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Algebra Help: Supposed that a,b,c are real number ab/c+ac/b+bc/a=a+b+c, find (a^2+b^2)/((a+c)(b+c)) (Calculus Physics Chem Accounting Tam Mai Thanh Cao)
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 |
Proving -1/2 ≤ ab+ac+bc ≤ 1 for a^2+b^2+c^2=1 (SyberMath)
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 |
Prove that Matrix Multiplication Distributes Over Addition: A(B + C) = AB + AC (The Math Sorcerer)
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 |
Prove: a^2 + b^2 + c^2 ≥ ab+ac+bc - Inequality and Technique (Calculus Physics Chem Accounting Tam Mai Thanh Cao)
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![Download Lagu `A=[(a^2, ab,ac),(ab,b^2,bc), (ac, bc, c^2)]` and ` a^2+b^2+c^2=1`, then `A^2` Thumbnail](https://img.youtube.com/vi/0XLTzHh1NQs/mqdefault.jpg) |
`A=[(a^2, ab,ac),(ab,b^2,bc), (ac, bc, c^2)]` and ` a^2+b^2+c^2=1`, then `A^2` (Doubtnut)
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![Download Lagu det[[a, b, ax + by],[b, c, bx + cy],[ax + by, bx + cy, 0]]=(b ^ 2 - ac)(a * x ^ 2+ 2bxy + c * y ^ 2) Thumbnail](https://img.youtube.com/vi/iuAMpLW8WX4/mqdefault.jpg) |
det[[a, b, ax + by],[b, c, bx + cy],[ax + by, bx + cy, 0]]=(b ^ 2 - ac)(a * x ^ 2+ 2bxy + c * y ^ 2) (Solution Mitra)
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 |
Algebra Help: Laos Exam 🇱🇦: Supposed that a,b,c are real positive numbers. Find M= a√(1+b^2)(1+c^2) (Calculus Physics Chem Accounting Tam Mai Thanh Cao)
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 |
Supposed that a,b,c are real positive number and abc = 1. Prove: (a+b)/√c+(b+c)/√a+(a+c)/√b≥6 (Calculus Physics Chem Accounting Tam Mai Thanh Cao)
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 |
Equilateral Triangles via Complex Numbers (Mike, the Mathematician)
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 |
If a+b+c=0 find the value ab/a²+ab+b² +bc/b²+bc+c² +ca/c²+ca+a² (Mathematics for Mankind- online class by DPM)
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