please send solution
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Hi ,
y = 3 - √8 --( 1 )
1/y = 1/( 3 - √8 )
= ( 3 + √8 ) /[ ( 3 - √8 ) ( 3 + √8 ) ]
= ( 3 + √8 ) / [ 3² - ( √8 )² ]
= ( 3 + √8 ) / [ 9 - 8 ]
= 3 + √8 --- ( 2 )
( y - 1/y )² = [ 3 - √8 - ( 3 + √8 ) ]²
= [ 3 - √8 - 3 - √8 ]²
= ( - √8 )²
= 8
I hope this helps you.
:)
y = 3 - √8 --( 1 )
1/y = 1/( 3 - √8 )
= ( 3 + √8 ) /[ ( 3 - √8 ) ( 3 + √8 ) ]
= ( 3 + √8 ) / [ 3² - ( √8 )² ]
= ( 3 + √8 ) / [ 9 - 8 ]
= 3 + √8 --- ( 2 )
( y - 1/y )² = [ 3 - √8 - ( 3 + √8 ) ]²
= [ 3 - √8 - 3 - √8 ]²
= ( - √8 )²
= 8
I hope this helps you.
:)
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