Q 16 The value of 3 - 2 2 is

Dear student, We have,3-22=2+1-22=22+12-2×2×1 --[using (a-b)2=a2+b2-2ab]=2-12=2-1 Regards

Q.16. The value of $\sqrt{3 - 2 \sqrt{2}}$ is

Dear student,

W e h a v e, \sqrt{3 - 2 \sqrt{2}} = \sqrt{2 + 1 - 2 \sqrt{2}} = \sqrt{{(\sqrt{2})}^{2} + 1^{2} - 2 \times \sqrt{2} \times 1} - - [u \sin g (a - b)^{2} = a^{2} + b^{2} - 2 a b] = \sqrt{{(\sqrt{2} - 1)}^{2}} = \sqrt{2} - 1

Regards