Question

if a= 2+√3/2-√3, b=2-√3/2+√3, then find a²+b²+ab?​

Answer 1

Answer:

57/4

Step-by-step explanation:

a= 2-√3/2

b= 2+√3/2

a²= 4+3/4-2√3

b²= 4+3/4+2√3

ab= 4+3/4

a²+b²+ab= 4+3/4-2√3+4+3/4+2√3+4+3/4 = 12+9/4 = 57/4