Results 1 to 4 of 4

Thread: Simplifying Expressions with Integral Exponents

  1. #1
    JVP
    JVP is offline
    Newbie
    Joined
    Sep 2009
    Posts
    2

    Simplifying Expressions with Integral Exponents

    Hi, Pretty basic question. Can some look at the question I've attached and explain why when I'm simplifying

    (2a+1/b)^-2 it changes to (2ab+1/b)^-2
    Attached Thumbnails Attached Thumbnails Simplifying Expressions with Integral Exponents-q1.jpg  
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Joined
    Sep 2008
    From
    West Malaysia
    Posts
    1,261
    Thanks
    1
    Quote Originally Posted by JVP View Post
    Hi, Pretty basic question. Can some look at the question I've attached and explain why when I'm simplifying

    (2a+1/b)^-2 it changes to (2ab+1/b)^-2

    (2a+\frac{1}{b})^{-2}=(\frac{2ab}{b}+\frac{1}{b})^{-2}

    When you group them into one fraction .
    Follow Math Help Forum on Facebook and Google+

  3. #3
    JVP
    JVP is offline
    Newbie
    Joined
    Sep 2009
    Posts
    2
    How does 2a become 2ab
    Follow Math Help Forum on Facebook and Google+

  4. #4
    MHF Contributor
    Joined
    Sep 2008
    From
    West Malaysia
    Posts
    1,261
    Thanks
    1
    Quote Originally Posted by JVP View Post
    How does 2a become 2ab

    2a+\frac{1}{b}=\frac{2a}{1}+\frac{1}{b}=\frac{2a(b  )}{1(b)}+\frac{1}{b}
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Roots to exponents, self created expressions
    Posted in the Algebra Forum
    Replies: 2
    Last Post: June 13th 2009, 04:59 PM
  2. Simplifying expressions involving exponents
    Posted in the Algebra Forum
    Replies: 1
    Last Post: November 6th 2008, 04:13 PM
  3. radical expressions/exponents.
    Posted in the Algebra Forum
    Replies: 2
    Last Post: May 15th 2008, 04:18 AM
  4. Replies: 3
    Last Post: April 20th 2008, 05:25 PM
  5. Simplifying Expressions/Exponents
    Posted in the Algebra Forum
    Replies: 1
    Last Post: September 13th 2007, 09:59 PM

Search Tags


/mathhelpforum @mathhelpforum