Question

X = √(7)+√(3)/√(7)-√(3), findx^(2) +1/x^(2

Answer 1

x=(√7+√3)/(√7-√3)=rationlise=(√7+√3)²/4=(7+3+2√21)/4=(10+2√21)/4=(5+√21)/2
x^2+1/x^2=x².x/x²=x=(5+√2)/2 answer
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