if x=√5+1/√5-1 and y=√5-1/√5+1 then find the value of x²+y²
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Step-by-step explanation:
=(√5+1/√5-1)+(√5-1/√5+1)
=(√5+1/√5-1)(√5+1/√5+1)+(√5-1/√5+1)(√5-1/√5+1)
=(6+2√5+4+2√5)/4
=10+4√5
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