(X - root of 5/3 ) ( X+ root of 5/3)
= X square - 5/3
=?????
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Answer will be: x = root5/3
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( x - √5/3 ) ( x + √5/3 )
Using identity, a² - b² = ( a - b ) ( a + b )
( x - √5/3 ) ( x + √5/3 ) = ( x ) ² - ( √5/3 )²
( x - √5/3 ) ( x + √5/3 ) =
x = 5 /3
x² = √5 /3
Using identity, a² - b² = ( a - b ) ( a + b )
( x - √5/3 ) ( x + √5/3 ) = ( x ) ² - ( √5/3 )²
( x - √5/3 ) ( x + √5/3 ) =
x = 5 /3
x² = √5 /3
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