Mathematics
Senior High
どう計算したらb二乗=18になるのか途中式教えてくださいお願いします
osmia
b2=(3√3)+(2√3) 2
2.(3-√3)-2√3 cos 120°
| (2) 余弦定理により>>
11:00~
Of mia > OP200
= 18
1607
b0であるから
MMO
b=√18=3√2
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