直线:5x + 2y + 3 = 0
变形:y = -5x/2 - 3/2
得直线的斜率k1 = -5/2
∵直线m与直线5x + 2y + 3 = 0垂直
∴直线m的斜率:k2 = -1/k1 = 2/5
且过点P(2, 1)
根据点斜式,得y - 1 = (2/5)*(x - 2)
化简得:2x - 5y + 1 = 0
直线:5x + 2y + 3 = 0
变形:y = -5x/2 - 3/2
得直线的斜率k1 = -5/2
∵直线m与直线5x + 2y + 3 = 0垂直
∴直线m的斜率:k2 = -1/k1 = 2/5
且过点P(2, 1)
根据点斜式,得y - 1 = (2/5)*(x - 2)
化简得:2x - 5y + 1 = 0