algebra

Simplify the expression:
1/2*(square root of 112)

Ex: 90^1/2= 10^1/2 * 9^1/2
Answer: 3(10^1/2)

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asked by Jeet
  1. 112=
    2*56
    2*2*28
    2*2*2*14
    2*2*2*2*7
    sqrt 112= sqrt(16*7)=4*sqrt7

  2. 112 = 4 x 28
    sqrt 112 = 2 sqrt 28

    If sqrt112 is a multiplier of 1/2, the answer would be sqrt28.

    Parentheses would have helped clarify where the sqrt112 goes.

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    posted by drwls
  3. Duh. I forgot to take another factor of 4 out.
    sqrt 28 = 2 sqrt 7 etc

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    posted by drwls

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