Question

Com base na formula d = L⁴\sqrt{2} sabendo que d= 2r, mostre que L⁴ = r\sqrt{2}

Answer 1

$d = L^4 \sqrt{2} \\\\ 2r = L^4 \sqrt{2} \\\\ L^4 = {2r \over \sqrt{2} } \\\\ L^4 = { 2r \over \sqrt{2} } \times {\sqrt{2} \over \sqrt{2}} \\\\ L^4 = { 2r\sqrt{2} \over 2} \\\\ L^4 = r\sqrt{2}$