Решение по действиям :
1.
3 3 3х¹/⁴ - 3у¹/⁴+ 3х¹/⁴ +3 у¹/⁴ 6х¹/⁴
-------------- + ------------- = ------------------------------------ = -----------------
х¹/⁴ + у¹/⁴ х¹/⁴ - у¹/⁴ (х¹/⁴)² - (у¹/⁴)² х¹/² - у¹/²
2.
6х¹/⁴ у⁻¹/² - х⁻¹/² 6х¹/⁴ *( у⁻¹/² - х⁻¹/²) *х¹/⁴у¹/²
---------------- * --------------------- = ----------------------------------------------- =
х¹/² - у¹/² 4х⁻¹/⁴у⁻¹/² (х¹/² - у¹/²)* 4
6 *( у⁻¹/² - х⁻¹/²) *х¹/²у¹/² 6*(х¹/² -у¹/²) 6
= ----------------------------------- = ------------------------- = ------- = 1,5
(х¹/² - у¹/²)* 4 (х¹/² - у¹/²)* 4 4