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Find the value of c so that the line y=3x + c is tangent to the circle x×x + y×y =16 |
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Answer» 4/√10 Condition of tangency isR=c/√m^2+1 where R is the radius, m is the slope of the line and c is the y-intercept of the line.Putting R=4, m=3 we get c=4√10 units |
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