prove that the following numbers

Hello Students,I would like to do the discussion a little differently. When you have a problem like this, use numbers to prove
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2. 74 views
If a and b are positive integers, prove that:ab = gcd(a,b)*lcm(a,b). Can visualize this being true and easily create examples
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2. asked by Rom
3. 1,039 views
Ryiaz claims it is impossible to prove that a rational number multiplied by an irrational number gives an irrational product.
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2. 117 views
Let a, b, c, d be real numbers.(a) Prove that a² +b² +c² +d² ≥ ab + bc+cd + da. (b) Prove that a² +b² +c²+d² ≥ 3/2ab
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2. 184 views
Prove that at least one of the real numbers A1, A2, …, A(n) is greater than or equal to the average of these numbers. What
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2. asked by Anonymous
3. 938 views
Prove that at least one of the real numbers a I, a2, ... , anis greater than or equal to the average of these numbers. What kind
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2. asked by a
3. 364 views
Can I prove or disprove this? Given two positive real numbers a and b, if a < b then a < b^2. I found an example that uses 0.1
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2. asked by Abril
3. 567 views
prove or disprove the following statement.Irrational numbers of the form a+√b are closed under multiplication where a and b
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2. asked by Moore
3. 533 views
Prove that if w,z are complex numbers such that |w|=|z|=1 and wz\=-1, then w+z/1+wz is a real numberI so far i have determined
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2. asked by Gem
3. 988 views
The question is: Prove algebraically that the difference between the squares of any twoconsecutive even numbers is always a
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2. asked by Harry
3. 958 views