Question

Question in the image ... If any wrong anzwer i will report you mind it!

Answer 1

[tex] \sqrt{2- \sqrt{3} } = \sqrt{2-1.732} = \sqrt{0.268} = 0.5176 \\ \sqrt{4- \sqrt{15} } = \sqrt{4-3.872} = \sqrt{0.128} = 0.3577 \\ \sqrt{7- \sqrt{45} } = \sqrt{7-6.708} = \sqrt{0.292} = 0.5403 \\ [/tex]

Adding, we get
0.5176 + 0.3577 + 0.5403 = 1.4156 ≈ √2