z^2/49=2

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Solution for z^2/49=2 equation: 


z in (-oo:+oo)

(z^2)/49 = 2 // - 2

(z^2)/49-2 = 0

1/49*z^2 = 2 // : 1/49

z^2 = 98

z^2 = 98 // ^ 1/2

abs(z) = 7*2^(1/2)

z = 7*2^(1/2) or z = -(7*2^(1/2))

z in { 7*2^(1/2), -(7*2^(1/2)) }

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