(√3-2)²º¹²(√3+2)²º¹³=?
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(√3-2)²º¹²(√3+2)²º¹³=?
(√3-2)²º¹²(√3+2)²º¹³=?
(√3-2)²º¹²(√3+2)²º¹³=?
(√3-2)²º¹²(√3+2)²º¹³
=(√3-2)²º¹²(√3+2)²º¹²(√3+2)
=[(√3-2)(√3+2)]²º¹²(√3+2)
=(-1)²º¹²(√3+2)
=√3+2