问题
填空题
|
答案
lim n→∞
=23n-32n 23n+32n lim n→∞
=8n-3•9n 8n+9n lim n→∞
=(
)n-38 9 (
)n+18 9
=-30-3 0+1
故答案为-3
|
lim n→∞
=23n-32n 23n+32n lim n→∞
=8n-3•9n 8n+9n lim n→∞
=(
)n-38 9 (
)n+18 9
=-30-3 0+1
故答案为-3