Indices

Card Set Information

Author:
K3vlar15
ID:
290809
Filename:
Indices
Updated:
2014-12-06 15:53:50
Tags:
Rules
Folders:
Maths Revision
Description:
Indices
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  1. 1) ax a7


    2)a6 / a5
    1) a9

    2) a1 or a

    • The two powers add if the sign in the middle is times. If Sign is divide then the powers take away.

  2. 1. (a2)3



    Rule: (an)m  = a n x m
    1. a6


  3. 1. a-5

    2. (2/3)-5


    Rule: a-n = 1/an
    1. 1/a5

    2. Work out Reciprocal of 2/3 which is 3/2

        The power of -5 turns positive after      working out Reciprocal.

    So.... (3/2)5 

    Work it out

    • (3/2)5 =35/2= 243/32
    •     
    •    

    •    
  4. Rule: a1/2 = √a
        
            a1/mm√a
           
    1. 9 1/2

    2. 8 1/6
            
    1. √9 = 3

    2. 6√8 = 16.9705627485

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