以下提供計算題小弟有算的答案 有錯還請不吝指教
A.\(\displaystyle E:13x-11y-2z=0\)或\(2x-y-z=0\)
B.最小值\(\displaystyle \frac{45}{2}\)
C.\(\displaystyle d^2\geq \frac{50}{37}\) (感謝寸斯老師糾正)
D.\(abc=1\)且\(a,b,c\)不完全相等,算幾即可證明出來
E.否
G.\(\displaystyle \sqrt{\frac{5-\sqrt{5+4\sqrt{5}}}{8}}\)
另外想請教計算F,填充6