Question

x = 2+√3 find x^2 - 1/x^2​

Answer 1

2+√3 = x

if we multiply (2+√3)×(2-√3)

then the results come out to be (2)²-(√3)²

4-3 = 1

it means

2+√3 = 1/2-√3

x²-1/x² = (x+1/x)(x-1/x) = (2+√3+2-√3)×(2+√3-2+√3) = 4×2√3 = 8√3

please mark it as the brainliest answer