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Verified answer
Jawabtitik pusat lingkaran
A(1, - 4)
B (5, 6 )
dengan jari jari yang sama dan bersinggungan
Maka titik singgung S = titik tengah AB
S = 1/2 ( A + B)
S = { 1/2(1+5) , 1/2 (-4 +6) }
S = (1/2(6) , 1/2 (2)}
S = ( 3, 1)