answer..... it ...... please ......fast ....
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Heya
______________________________
Let x -1/x = y
SQUARING BOTH SIDE'S
x² + 1/x² - 2 = y²
=>
y² = 5
=>
y = √5 OR y = -√5
=>
( x - 1/x ) = √5
OR
( x - 1/x ) =-√5
______________________________
Let x -1/x = y
SQUARING BOTH SIDE'S
x² + 1/x² - 2 = y²
=>
y² = 5
=>
y = √5 OR y = -√5
=>
( x - 1/x ) = √5
OR
( x - 1/x ) =-√5
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