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z^2+49/64=0
We multiply all the terms by the denominator
z^2*64+49=0
Wy multiply elements
64z^2+49=0
a = 64; b = 0; c = +49;
Δ = b2-4ac
Δ = 02-4·64·49
Δ = -12544
Delta is less than zero, so there is no solution for the equation
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