1.X=(√3+√2)/(√3-√2)=(√3+√2)²
Y=(√3-√2)/(√3+√2)=(√3-√2)²
X/Y+Y/X=(X²+Y²)/(XY)=2(√3²+√2²)=10
2.(X/Y)²+(Y/X)²
=(X/Y+Y/X)²-2×X/Y×Y/X
=10²-2
=98
1.X=(√3+√2)/(√3-√2)=(√3+√2)²
Y=(√3-√2)/(√3+√2)=(√3-√2)²
X/Y+Y/X=(X²+Y²)/(XY)=2(√3²+√2²)=10
2.(X/Y)²+(Y/X)²
=(X/Y+Y/X)²-2×X/Y×Y/X
=10²-2
=98