Lesson38

# Lesson38 - (2 4 8)( 3 2 5) = ⋅ ⋅ ⋅ ⋅ Remember that...

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2 7) = + - - 18 128 4 32 3 98 5 Multiply the following radicals: (2 3)(4 2)(8 5)
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Unformatted text preview: (2 4 8)( 3 2 5) = ⋅ ⋅ ⋅ ⋅ Remember that the product rule for radicals says radicands can be multiplied as long as the indices are the same. 30 64 = Multiply using either the distributive property or FOIL. 8) =-) 5 3 2 ( 5 9) =-) 3 2 6 2 ( 3 10) = +-) 5 2 )( 5 4 ( 11) = +-) 2 3 5 )( 2 7 2 ( 12) = + 2 ) 6 3 ( 3 13) =-2 ) 2 3 ( x The following binomials are called conjugates. With conjugates only do the F and L of FOIL. The ‘inner’ and ‘outer’ terms will be eliminated. Remember the pattern: 2 2 ( )( ) a b a b a b +-=-14) = +-) 3 4 2 )( 3 4 2 ( 15) =-+ ) 3 5 )( 3 5 (...
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## This document was uploaded on 01/21/2012.

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Lesson38 - (2 4 8)( 3 2 5) = ⋅ ⋅ ⋅ ⋅ Remember that...

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