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(√3 & 1√3 itu sama)
2. √8-2√2
= 4√2-2√2
= 2√2
(√8 = √4x2 = 2√2)
3. √6 per √3 x √8
=√48 per √3
=√16
4
(karena sama2 akar, jdi boleh langsung di kali trs di bagi aja)