Rationalize and simplify: 31+2\frac{3}{1+\sqrt2}

Multiplying, Dividing, and Rationalizing Radicals

9. Roots, Radicals, and Complex Numbers / Multiplying, Dividing, and Rationalizing Radicals / 문제 3

문제 3

Rationalize and simplify: $\frac{3}{1 + \sqrt{2}}$

$3 \sqrt{2} - 3$

$3 \sqrt{2} + 3$

$\frac{3}{1 - \sqrt{2}}$

$1 - \sqrt{2}$