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  1. C

    Find a combination of n and m

    so that must have an ans, right? but how to use the info given by the above link?
  2. C

    Find a combination of n and m

    Homework Statement 1007n+1703m=1 when n and m are integers Homework Equations The Attempt at a Solution i hv tried for so many times, but i cant find it the GCD of 1007 and 1703 is 1, so it is possible to find n and m
  3. C

    Find the last digit of 3^101 X 7^202

    Homework Statement find the last digit of 3^101 X 7^202 Homework Equations The Attempt at a Solution i have cal. that the last digit is 7 by...: [147]mod10 X ([3^4]mod10)^25 X ([7^4]mod10)^25 = [7]mod10 X [1]mod10 = [7]mod10 so the last digit is 7 is it correct?
  4. C

    Area bounded

    http://upload.lsforum.net/users/public/z40672Untitledk213.png y the area bounded is like that it seems x=2 and x=0 and y=0 dont involve into it
  5. C

    Area bounded

    i m thinking of this... area bounded by x=0, y=0, y=x^2, y=4-x^2 and x=2 why the region bounded by the below three cases are the same 1. x=0, y=0, y=x^2, y=4-x^2 2. y=0, y=x^2, y=4-x^2 3. and x=0, y=x^2, y=4-x^2 but after i add x=2 and compute the bounded region, it's different? i am just...
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