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	The Signum Function - Basic Introduction (The Organic Chemistry Tutor) View
	Algebra II 3.9d, Sign function, Signum function, sgn(x) (JoAnn's School) View
	Signum function (sgn(x) (Wadhvaniya Academy) View
	Limits of sgn(x) (Turnupmath) View
	Hyperbolic Trigonometric Identity: sinh(x/2) + sign function sgn(x) (Math Easy Solutions) View
	Solving a Signum Equation in Two Ways (SyberMath) View
	sgn(x) (Turnupmath) View
	signum function,sgn(x),mathematics origin,12th/IIT JEE,by-deepak roy sir (Mathematics Origin) View
	A Signum Equation (x^sgn(x^3-x)=x^2-4/9) (SyberMath) View
	Signum function ,f(x)=Sgn(x), Introduction of graphs lecture-7 (Vande Bharat Foundation) View