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Foot of the perpendicular from a point `(x_(1),y_(1))` on the line ax + by + c= 0` is given byA. `(x-x_(1))/(a)=(y-y_(1))/(b)=((ax_(1)+by_(1)+c)/(a^(2)+b^(2)))`B. `(x-x_(1))/(a)=(y-y_(1))/(b)=((ax_(1)+by_(1)+c)/(sqrt(a^(2)+b^(2))))`C. `(x-x_(1))/(a)=(y-y_(1))/(b)=-((ax_(1)+by_(1)+c)/(a^(2)+b^(2)))`D. `(x-x_(1))/(a)=(y-y_(1))/(b)=((ax_(1)+by_(1)+c)/(sqrt(a^(2)+b^(2))))` |
| Answer» Correct Answer - A | |