The foot of the perpendicular from 3,4 to the line 3x-4y=18 is
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Step-by-step explanation:
h-x1/a=k-y1/b=-(ax1+by1+c)/a²+b²
h-3/3=k-4/-4=-[(3)+(-4)(4)-18]/3²+(-4)²
h-3/3=-k-4/4=-(9-16-18)/25
h-3/3=25/25 ,-k-4/4=25/25
h-3=3 ,-k-4=4
h=0 ,k=-8
(h,k)=(0,-8)
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