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Let y=P be the tangent to the circle x2+y2−2x−4y+k=0, where P3=limx→0x−tanxx3, then the value of |k| is

Answer» Let y=P be the tangent to the circle x2+y22x4y+k=0, where P3=limx0xtanxx3, then the value of |k| is


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