數學接龍 - 3 | Penana

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#3

3

Nov 24, 2021

262

1 Min Read 0 Words

x

有一圓x²+y²-2x+2y-14=0

與直線L：x+y+12=0的距離為k

試問：該圓半徑為何？k值為何？該圓與直線L的關係為何？

ns216.73.216.239da2

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#4 寺祀肆泗