C-05-Q021mediumsingle_mcqx2−2x−2=0x^2-2x-2=0x2−2x−2=0-এর মূলদ্বয় কোনটি?a1±31\pm\sqrt{3}1±3b1±21\pm\sqrt{2}1±2c−1±3-1\pm\sqrt{3}−1±3d2±32\pm\sqrt{3}2±3