C-03-Q212: If $x = 2 - \sqrt{3}$, $x^2 = ?$ | প্রশ্ন করি

)

+

(

\sqrt{3}

)^{2}

=

4

-

4

\sqrt{3}

+

3

=

7

-

4

\sqrt{3}

x^2 = 2^2 - 2(2)(\sqrt3) + (\sqrt3)^2 = 4 - 4\sqrt3 + 3 = 7 - 4\sqrt3

If $x = 2 - \sqrt{3}$ , $x^2 = ?$