3/(7-2x^2)

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Solution for 3/(7-2x^2) equation: 


D( x )

7-(2*x^2) = 0

7-(2*x^2) = 0

7-(2*x^2) = 0

7-2*x^2 = 0

-2*x^2 = -7 // : -2

x^2 = 7/2

x^2 = 7/2 // ^ 1/2

abs(x) = (7/2)^(1/2)

x = (7/2)^(1/2) or x = -(7/2)^(1/2)

x in (-oo:-(7/2)^(1/2)) U (-(7/2)^(1/2):(7/2)^(1/2)) U ((7/2)^(1/2):+oo)

3/(7-(2*x^2)) = 0

3/(7-2*x^2) = 0

3 = 0

x belongs to the empty set

x belongs to the empty set

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