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algebra

posted by on .

ã18/ã8 -ã2

a)ã3
b)3
c)3ã2
d)9ã2/6


please omit the first question thanks

  • algebra - ,

    poo, on my Mac, the √ symbol did not show up, I got a ã ,
    but I know what you meant ....
    what computer do you have ?

    √18/√8 - √2
    = 3√2/2√2 - √2
    = 3/2 - √2

    we could form a common denominator of 2 to get
    (3-2√2)/2

  • algebra - ,

    sqrt 18/sqrt 8 - sqrt 2
    3 sqrt 2 / 2 sqrt 2 - sqrt 2
    = (3/2) - sqrt 2
    I bet you left out a parenthesis
    try
    sqrt 18/(sqrt 8 - sqrt 2)
    3 sqrt 2/(2 sqrt 2 - sqrt 2)
    3 sqrt 2/sqrt 2
    3

  • algebra - ,

    Reiny i have dell and im doing what you said to do

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