Mathematics
Senior High
Resolved
どうしてこのような式変形ができるのかが分からないのでルール的なものを教えて頂きたいです🙇♀️
2
P= 2√√x²-4x+4+√4x²+4x+1
= 2√(x-2)² + √(2x+1)²
-
= 2/x-2+2x+1
C
22
2x+1<0より
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ありがとうございます😊