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The question is: Prove algebraically

  1. 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
    1. answers icon 1 answer
    2. Rom asked by Rom
    3. views icon 1,025 views
  2. The question is: Prove algebraically that the difference between the squares of any twoconsecutive even numbers is always a
    1. answers icon 2 answers
    2. Harry asked by Harry
    3. views icon 937 views
  3. Hi!I really need help with this question. Please help me. Thanks! If f(x)=6cosx-1, algebraically determine algebraically the x
    1. answers icon 1 answer
    2. Katie asked by Katie
    3. views icon 548 views
  4. I'm working on Proofs for Limits. So my question is how the bloody hell do I do this.This is the equation I am working with:
    1. answers icon 2 answers
    2. Chii asked by Chii
    3. views icon 526 views
  5. Prove algebraically that y=x^2-4 is symmetric with the y-axis.Please help! Thanks
    1. answers icon 1 answer
    2. Bree asked by Bree
    3. views icon 744 views
  6. Prove algebraically that |w+z|<=|w|+|z| for any complex numbers w and z.
    1. answers icon 1 answer
    2. Josh asked by Josh
    3. views icon 494 views
  7. prove (a) A(+B)=AB & (b) A+B=A+B both algebraically and using the truth table.
    1. answers icon 1 answer
    2. Traxx asked by Traxx
    3. views icon 461 views
  8. Prove algebraically that the difference between any two different odd numbers is an even number.Thanks.
    1. answers icon 1 answer
    2. Joey asked by Joey
    3. views icon 1,572 views
  9. Help please! I can't seem to get x as the answer to prove that they are inverses of each other!Show what f and g are inverse
    1. answers icon 1 answer
    2. Sara asked by Sara
    3. views icon 523 views
  10. Create a system of linear equations that when solved algebraically, prove to have no solution.
    1. answers icon 1 answer
    2. I’m Going Back Home asked by I’m Going Back Home
    3. views icon 129 views