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Verified answer
Kelas 10 MatematikaBab Persamaan Kuadrat
ax² + bx + c = 0
Akar-akarnya berkebalikan, maka c = a,maka
cx² + bx + a = 0
x² + 5x + 1 = 0
a = 1; b = 5; c = 1.
Akar-akarnya berkebalikan
x² + 5x + 1 = 0