Question Simplify the expression −j1 Evaluate −j1Solution −j1 Show Solution Find the excluded values j=0 Evaluate −j1To find the excluded values,set the denominators equal to 0 −j=0Solution j=0 Show Solution Find the roots j∈∅ Evaluate −j1To find the roots of the expression,set the expression equal to 0 −j1=0Change the signs on both sides of the equation −j1=0,j=0Calculate −j1=0Use b−a=−ba=−ba to rewrite the fraction −j1=0Rewrite the expression j−1=0Cross multiply −1=j×0Simplify the equation −1=0Solution j∈∅ Show Solution