Mathematics
Junior High
Resolved
aについて求めたいのですが、もしこの続きから解くならどうときますか？
1 (2-√2)²= a(2-√2)+2=0
4 = 4√ √2±2-2a + √2α ±2=0
8-4√2-20+ √2α=0
-2a+ √2a=-8+4√2
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すごい、ありがとうございます！