solve the following quadratic equation p^2 x^2+(p^2-q^2)x-q^2=0
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roots of quadratic equation are q^2/p^2 and -1
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p^2x^2 + p^2x - q^2x - q^2 =0
p^2x ( x+1) - q^2(x+1) =0
(p^2x - q^2)(x+1) =0
(x+1)(p^2x-q^2)=0
so the roots are x= -1 and x = q^2 / p^2
hope it helps.
p^2x ( x+1) - q^2(x+1) =0
(p^2x - q^2)(x+1) =0
(x+1)(p^2x-q^2)=0
so the roots are x= -1 and x = q^2 / p^2
hope it helps.
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