Mathematics
Senior High
Solved
①.②の式がなぜb²＝18（b+8）と変換されるのかわかりません！
途中式を教えて欲しいです🙏🏻🙇🏻♀️
006
005
388, a, b が等差数列であるから
2a=b+8
a, b, 36 が等比数列であるから
①
STE EA
熱自62=36a
.......
18大不
②
①,②から
62=18(6+8)
Answers
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