Question

2+√3/2-√3+2-√3/2+√3=a+b√3<br />find the value of a and b​

Answer 1

Answer:

b√3= ( 2-√3)/(2 +√3)= [(2-√3)(2-√3)]/[(2+√3)(2-√3)]= (2-√3 )²/[2²-(√3)²]= [2²-2×2×√3+(√3)²]/(4-3)= 4 .