So f(x) = 0. Finding the zeroes of this function is the same as solving this equation. In the paragraph right before, the zeroes of this operate are +one and −one, so They can be the remedies of this equation. We got this equation by subtracting the same thing https://financefeeds.com/a5x-to-launch-lseg-powered-brazilian-derivatives-exchange-in-2026/