Question

Jika
a= 1-akar3 per 1+akar3
b= 1+akar3 per 1-akar3
maka a+b= berapa?

Answer 1

A+b = (1-√3 / 1+√3) + (1+√3 / 1-√3)
      = (1-√3)(1-√3)+(1+√3)(1+√3) / (1+√3)(1-√3)
      = 1 - 2√3 +3 +1 +2√3 +3 / 1-3
      = 8/-2 = -4