(-2a^2+8a-8)/(16+8a^2)

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Solution for (-2a^2+8a-8)/(16+8a^2) equation: 


D( a )

8*a^2+16 = 0

8*a^2+16 = 0

8*a^2+16 = 0

8*a^2 = -16 // : 8

a^2 = -2

a in (-oo:+oo)

(8*a-2*a^2-8)/(8*a^2+16) = 0

8*a-2*a^2-8 = 0

2*(4*a-a^2-4) = 0

4*a-a^2-4 = 0

DELTA = 4^2-(-4*(-1)*4)

DELTA = 0

a = -4/(-1*2)

a = 2 or a = 2

2*(a-2)^2 = 0

(2*(a-2)^2)/(8*a^2+16) = 0

a-2 = 0 // + 2

a = 2

a in { 2, 2 }

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