Mathematics
Senior High
Solved
2段目から3段目になるにはどのように計算するのか教えてください🙇♀️
x+4x²+4-2x²=0
(x²+2)2- (√√2x)²=0
(3) x4 + 2x2+4=0 から
よって
ゆえに
(x²+√√2x+2)(x² - √2x+2)=0
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