Question

Решите поэтапно пж, желательно на листике

Answer 1

$\displaystyle \sqrt[4]{\frac{4.1^3-2.15^3}{1.95}+4.1*2.15}= \sqrt[4]{\frac{(4.1-2.15)(4.1^2+4.1*2.15+2.15^2)}{1.95}+4.2*2.15}=\\\\=\sqrt[4]{\frac{1.95(4.1^2+4.1*2.15+2.15^2)}{1.95}+4.1*2.15}=\sqrt[4]{4.1^2+4.1*2.15+2.15^2+4.1*2.15}+\\\\=\sqrt[4]{4.1^2+2*4.1*2.15+2.15^2}=\sqrt[4]{(4.1+2.15)^2}=\sqrt{ 4.1+2.15}=\sqrt{6.25}=\\\\=2.5$