Problem

Problem

The equation of the line that touches the curves y=x∣x∣y = x|x| and x2+(y−2)2=4x^2 + (y - 2)^2 = 4 , where x≠0x \neq 0 , is a. y=45x+20y = 4\sqrt{5}x + 20 b. y=43x−12y = 4\sqrt{3}x - 12 c. y=0y = 0 d. y=−45x−20y = -4\sqrt{5}x - 20

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