Question

Cat este 3 minus radical din 2 totul la patrat

Answer 1

$(3- \sqrt{2})^{2}= 3^{2}-2*3* \sqrt{2}+ \sqrt{ 2^{2} }=9-6 \sqrt{2}+2=11-6 \sqrt{2.}$

Answer 2

$\displaystyle (3- \sqrt{2} )^2=3^2-2 \cdot 3 \cdot \sqrt{2} + \sqrt{2} ^2=9-6 \sqrt{2} +2=11-6 \sqrt{2}$