Question

Tolong dong nomer 31 32 please

Answer 1

31. (2√2-√6)(√2+√6)
= 2.2+2√12-√12-6
=4+√12-6
=2√3-2
= 2(√3-1)

32.(5√3+7√2)(6√3-4√2)
= 30.3-20√6+42√6-28.2
= 90+22√6-56
= 46 +22√6
nomor 32 nggak ada dipilihan jawaban, coba tolong dicek lagi perhitungan saya.. ^^