Mathematics
Senior High
Solved
赤線部のように変形できるのは何故ですか？🙏
P(3≦x≦7)=
•73
03 500
3
.x(10-x)dx
x377
=
5x2
500
3
3
343-27
=
5(49-9)--
500
3
3
284
ィ 71
X
=
500 3
125
Answers
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わかりました！ありがとうございます🙇🏻♀️！