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Verified answer
JawabP (p,q) = {(2a+1), (-a+2)}
a= 3
p = 2a + 1 = 7
q = -a + 2 = -1
r = 2√3
r²= 12
a= 3
pers lingkaran
(x - p)² + (y-q)² = r²
(x - 7)² + (y+1)² = 12
ayau
x² + y² - 14x + 2y + 49 +1 -12 = 0
x² + y² - 14x + 2y + 38 = 0