25/49y2-9=0

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Solution for 25/49y2-9=0 equation: 


y in (-oo:+oo)

(25/49)*y^2-9 = 0

25/49*y^2 = 9 // : 25/49

y^2 = 441/25

y^2 = 441/25 // ^ 1/2

abs(y) = 21/5

y = 21/5 or y = -21/5

y in { 21/5, -21/5 }

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