Question

用“>”或“<”填空：
若>1，則a_________1;若()^m<(0.125)ⁿ,則m_________n;若1.7^a<1.7^b,則a_________b.

Answer 1

>  >  <

a>1時(shí),a>1;()^m<(0.125)ⁿ得()^m<()ⁿ,因y=()^x是減函數(shù),
∴m>n;因y=1.7^x是增函數(shù),
∴a<b.