Find the number of solution of equation (where sgn represent signum function)
`(i) sgn (x)=|x|` `(ii) sgn(x^(2)-1)=(x+1)^(2)`

Find the number of solutions of equation (where sgn represent signum function) sgn (x)=|x| .

The number of solution of the equation sgn({x})=|1-x| is/are (where {*} represent fractional part function and sgn represent signum function)

The number of solution of the equation sgn({x})=|1-x| is/are (where {*} represent fractional part function and sgn represent signum function)

The number solution of the equation sgn(x^2)=|x-2| is (a)1 (b) 0 (c) 2 (d) 3

The number solution of the equation sgn(x^2)=|x-2| is 1 (b) 0 (c) 2 (d) 3

The number solution of the equation sgn(x^2)=|x-2| is 1 (b) 0 (c) 2 (d) 3

The number solution of the equation sgn(x^(2))=|x-2| is 1 (b) 0(c)2(d)3

The number of integral values of x satisfying the equation sgnis greatest integer function,sgn{[(15)/(1+x^(2))])=[1+(2x)] (where [.] is greatest integer function [.] fractional part function and sgn(x) is dignum function)

If f(x)=sgn(cos 2x - 2 sin x + 3) , where sgn () is the signum function, then f(x)

If f(x)=sgn(cos 2x - 2 sin x + 3) , where sgn () is the signum function, then f(x)