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Verified answer
Jadi jawabannya CP= -2 √2 atau 2√2
Verified answer
Y = xx² + y² - 2px + p² - 4 = 0
x² + x² - 2px + p² - 4 = 0
2x² - 2px + p² - 4 = 0
Syarat menyinggung :
D = 0
b² - 4ac = 0
(-2p)² - 4.2(p² - 4) = 0
4p² - 8p² + 32 = 0
-4p² = -32
p² = 8
p = + √8 atau p = -√8
Nilai p yg memenuhi :
p = √8 = 2√2
dan
p = -√8 = -2√2