Question

化简2-根号3分之1-(2乘以根号3+2)

Answer 1

[1-(2√3+2)]/(2-√3)

=-(1+2√3)/(2-√3)

=-(1+2√3)(2+√3)/[(2-√3)(2+√3)]

=-(2+√3+4√3+6)/1

=-8-5√3