(7/4)^5 * (4/7)^4 и (-2)^0 сравните

Question

(7/4)^5 * (4/7)^4 и (-2)^0 сравните

Answer 1

(7/4)⁵*(4/7)⁴ и (-2)⁰
(7/4)*(7/4)⁴*(4/7)⁴=7/4*((7/4)*(4/7)) ⁴=7/4*1⁴=7/4=1 3/4     
(-2)⁰=1
1 3/4> 1 ⇒ (7/4)⁵*(4/7)⁴ > (-2)⁰