設(shè)該點(diǎn)在X軸上(x,0,0)
有(2-x)²+(-2)²+5²=(-3-x)²+1+2²
解得x=2.7
在軸上求一點(diǎn),使該點(diǎn)到點(diǎn)A(2,-2,5)和B(-3,1,2)的距離相等
在軸上求一點(diǎn),使該點(diǎn)到點(diǎn)A(2,-2,5)和B(-3,1,2)的距離相等
數(shù)學(xué)人氣:664 ℃時(shí)間:2020-05-12 13:07:24
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