10 10*⁵√16 ⁴ 10 *⁵√16 ⁴ 10*⁵√16 ⁴ 5*⁵√16 ⁴
---------- = ---------------------- = ------------------ = ----------------- = -----------------------
7√⁵16 7√⁵16 * ⁵√16 ⁴ 7*16 112 56
пояснение :
√⁵16 * ⁵√16 ⁴= 16¹/⁵ *16⁴/⁵=16 ¹/⁵ ⁺ ⁴/⁵ =16 ⁵/⁵= 16
44 44 *(√7 + 3√2) 44*(√7 - 3√2) 44*(√7 - 3√2)
--------------- = ----------------------------- = ---------------------- = ---------------------- =
√7 - 3√2 (√7 - 3√2)(√7 + 3√2) √7² - (3√2)² 7-18
44*(√7 - 3√2)
= --------------------- = -4*(√7 - 3√2)
-11