2√82√5−√3 =2√82√5−√3×2√5+√32√5+√3 =4√40+2√244×5−3 =4×2√10+2×2√617 =4√2(2√5+√3)17
Solve:
(i) 2−35
(ii) 4+78
(iii) 35+27
(iv) 911−415
(v) 710+25+32
(vi) 223+312
(vii) 812−358