q^2/121=q^2-1

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Solution for q^2/121=q^2-1 equation: 


q in (-oo:+oo)

(q^2)/121 = q^2-1 // - q^2-1

(q^2)/121-q^2+1 = 0

-120/121*q^2 = -1 // : -120/121

q^2 = 121/120

q^2 = 121/120 // ^ 1/2

abs(q) = (121/120)^(1/2)

q = (121/120)^(1/2) or q = -(121/120)^(1/2)

q in { (121/120)^(1/2), -(121/120)^(1/2) }

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