The conjugate of $\sqrt{3}-2$  is

The binomial surds of the form $a+\sqrt{b}$ , $a-\sqrt{b}$  are called conjugate surds. Here , each surd is called the conjugate of the other.

The sum and product of conjugate surds are rational numbers.

The conjugate of $\sqrt{3}-2$  is $-\sqrt{3}-2$   ( Change sign of irrational part only)