if x=√3-√2/√3+√2 and y=√3+√2/√3-√2 find x^3+x^3 answer fast pls
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= [ 125+12√6 -30√6(5-2√6) ] +
[ 125 +12√6 +30√6(5+2√6)
= [ 125+12√6-150√6 +360 ] +
[ 125+12√6+150√6+360 ]
= [ 485 -138√6 ] + [ 485+138√6 ]
= 485+ 485
= 970
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