求2^4n+1-(4^2n-1+16^n)的值今晚就要!

求2^4n+1-(4^2n-1+16^n)的值今晚就要!
求2^4n+1-(4^2n-1+16^n)的值
今晚就要!

求2^4n+1-(4^2n-1+16^n)的值今晚就要!
3*2^(4n-2)

1-4^2n-1

2^4n+1-（4^2n-1+16^n）=2^4n+1-2^4n-2+2^4n
=2^4n×2-2^4n×1/4+2^4n×1
=2^4n×（2-1/4+1）
=11×4^2n-1