a. B, C ∈ positive real number, a ^ 2 + B ^ 2 = C ^ 2. When n ∈ n, n > 2, please compare the size of C ^ n and a ^ n + B ^ n thank you

a. B, C ∈ positive real number, a ^ 2 + B ^ 2 = C ^ 2. When n ∈ n, n > 2, please compare the size of C ^ n and a ^ n + B ^ n thank you

a^n=(a^2)[a^(n-2)]