Jawabanmu

2014-09-12T20:26:50+07:00
(4-√2)×(4-√2) /  4-√2×4+√2
(4²)+(4×-√2)+(-√2×4)+(-√2)² / 4²-√2²
16-4√2-4√2+2 / 16-2
16+2-4√2-4√2 / 14
18-4√2-4√2 / 14
9-4√2-4√2 / 7

2014-09-12T20:27:58+07:00
(4-√2)×(4-√2) /  4-√2×4+√2
(4²)+(4×-√2)+(-√2×4)+(-√2)² / 4²-√2²
16-4√2-4√2+2 / 16-2
16+2-4√2-4√2 / 14
18-4√2-4√2 / 14
9-4√2-4√2 / 7

maaf jika salah