问题
填空题
计算:
|
答案
:lim n→∞ 22n+1-3n+1 22n+3n
=lim n→∞ 2×4n-3×3n 4n+3n
=lim n→∞ 2-3×(
)n3 4 1+(
)n3 4
=2.
故答案为:2.
计算:
|
:lim n→∞ 22n+1-3n+1 22n+3n
=lim n→∞ 2×4n-3×3n 4n+3n
=lim n→∞ 2-3×(
)n3 4 1+(
)n3 4
=2.
故答案为:2.