1). 6-4√2/6+4√2 solve plz
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multiply it's denominator and numerator with 6-4√2
(6-4√2) (6-4√2) / (6+4√2)(6-4√2)
=( 36 + 32 - 48√2)/ ( 36 - 32)
= (68-48√2) / (4)
= 4 (17-12√2)/ 4
= 17-12√2
(6-4√2) (6-4√2) / (6+4√2)(6-4√2)
=( 36 + 32 - 48√2)/ ( 36 - 32)
= (68-48√2) / (4)
= 4 (17-12√2)/ 4
= 17-12√2
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