[積分] 兩題瑕積分
第一題~
∞ -rt
∫ e ‧(at + b)Kdt = ???
0
第二題~
∞ 2 -x
∫ 2x ‧e dx = ???
0
這兩題想了很久都想不到~
希望有強者可以替我解惑~
感激不盡~
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